College Algebra
4th Edition
ISBN: 9780134696485
Author: Ratti, J. S., Mcwaters, Marcus, Skrzypek, Lesław
Publisher: Pearson,
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Textbook Question
Chapter 1.3, Problem 42E
In Exercises 41—46, solve each equation by completing the square.
42.
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Chapter 1 Solutions
College Algebra
Ch. 1.1 - The domain of the variable in an equation is the...Ch. 1.1 - Standard form for a linear equation in x is...Ch. 1.1 - Two equations with the same solution set are...Ch. 1.1 - Prob. 4ECh. 1.1 - Prob. 5ECh. 1.1 - Prob. 6ECh. 1.1 - Prob. 7ECh. 1.1 - Prob. 8ECh. 1.1 - Prob. 9ECh. 1.1 - Prob. 10E
Ch. 1.1 - In Exercises 9—13, determine whether the given...Ch. 1.1 - Prob. 12ECh. 1.1 - Prob. 13ECh. 1.1 - Prob. 14ECh. 1.1 - Prob. 15ECh. 1.1 - Prob. 16ECh. 1.1 - Prob. 17ECh. 1.1 - Prob. 18ECh. 1.1 - Prob. 19ECh. 1.1 - Prob. 20ECh. 1.1 - In Exercises 19—22, determine whether the given...Ch. 1.1 - Prob. 22ECh. 1.1 - Prob. 23ECh. 1.1 - Prob. 24ECh. 1.1 - Prob. 25ECh. 1.1 - Prob. 26ECh. 1.1 - Prob. 27ECh. 1.1 - Prob. 28ECh. 1.1 - Prob. 29ECh. 1.1 - Prob. 30ECh. 1.1 - Prob. 31ECh. 1.1 - Prob. 32ECh. 1.1 - Prob. 33ECh. 1.1 - Prob. 34ECh. 1.1 - Prob. 35ECh. 1.1 - Prob. 36ECh. 1.1 - Prob. 37ECh. 1.1 - Prob. 38ECh. 1.1 - Prob. 39ECh. 1.1 - Prob. 40ECh. 1.1 - Prob. 41ECh. 1.1 - Prob. 42ECh. 1.1 - Prob. 43ECh. 1.1 - Prob. 44ECh. 1.1 - Prob. 45ECh. 1.1 - Prob. 46ECh. 1.1 - Prob. 47ECh. 1.1 - Prob. 48ECh. 1.1 - Prob. 49ECh. 1.1 - Prob. 50ECh. 1.1 - Prob. 51ECh. 1.1 - Prob. 52ECh. 1.1 - Prob. 53ECh. 1.1 - Prob. 54ECh. 1.1 - Prob. 55ECh. 1.1 - Prob. 56ECh. 1.1 - Prob. 57ECh. 1.1 - Prob. 58ECh. 1.1 - Prob. 59ECh. 1.1 - Prob. 60ECh. 1.1 - Prob. 61ECh. 1.1 - Hole dimensions. If a box-shaped hole 7 feet long...Ch. 1.1 - Geometry. The perimeter of a rectangle is 80 feet....Ch. 1.1 - Prob. 64ECh. 1.1 - Prob. 65ECh. 1.1 - Prob. 66ECh. 1.1 - Prob. 67ECh. 1.1 - Prob. 68ECh. 1.1 - Prob. 69ECh. 1.1 - Prob. 70ECh. 1.1 - Prob. 71ECh. 1.1 - Prob. 72ECh. 1.1 - Prob. 73ECh. 1.1 - Prob. 74ECh. 1.1 - Prob. 75ECh. 1.1 - Prob. 76ECh. 1.1 - Prob. 77ECh. 1.1 - Prob. 78ECh. 1.1 - Prob. 79ECh. 1.1 - Prob. 80ECh. 1.1 - Prob. 81ECh. 1.1 - Prob. 82ECh. 1.1 - Prob. 83ECh. 1.1 - Prob. 84ECh. 1.1 - Prob. 85ECh. 1.1 - 86. What is wrong with the following argument?...Ch. 1.1 - Prob. 87ECh. 1.1 - Prob. 88ECh. 1.1 - Prob. 89ECh. 1.1 - Prob. 90ECh. 1.1 - Prob. 91ECh. 1.1 - Prob. 92ECh. 1.1 - Prob. 93ECh. 1.1 - Prob. 94ECh. 1.1 - Prob. 95ECh. 1.1 - Prob. 96ECh. 1.1 - Prob. 97ECh. 1.1 - Prob. 98ECh. 1.1 - Prob. 99ECh. 1.1 - Prob. 100ECh. 1.1 - Prob. 101ECh. 1.1 - In Exercises 95—102, fill in the blank (1 inch =...Ch. 1.2 - If the sides of a rectangle are a and b units, the...Ch. 1.2 - Prob. 2ECh. 1.2 - Prob. 3ECh. 1.2 - Prob. 4ECh. 1.2 - True or False. After a 30% discount the price of a...Ch. 1.2 - True or False. If your first two test scores are...Ch. 1.2 - Prob. 7ECh. 1.2 - Prob. 8ECh. 1.2 - In Exercises 9—18, write an algebraic expression...Ch. 1.2 - Prob. 10ECh. 1.2 - Prob. 11ECh. 1.2 - Prob. 12ECh. 1.2 - In Exercises 9—18, write an algebraic expression...Ch. 1.2 - Prob. 14ECh. 1.2 - Prob. 15ECh. 1.2 - Prob. 16ECh. 1.2 - In Exercises 9—18, write an algebraic expression...Ch. 1.2 - In Exercises 9—18, write an algebraic expression...Ch. 1.2 - Prob. 19ECh. 1.2 - Prob. 20ECh. 1.2 - Prob. 21ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 24ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 26ECh. 1.2 - Prob. 27ECh. 1.2 - Prob. 28ECh. 1.2 - Prob. 29ECh. 1.2 - Prob. 30ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 32ECh. 1.2 - Prob. 33ECh. 1.2 - Prob. 34ECh. 1.2 - Prob. 35ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 37ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 39ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 41ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 43ECh. 1.2 - Prob. 44ECh. 1.2 - Prob. 45ECh. 1.2 - Prob. 46ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 48ECh. 1.2 - Prob. 49ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 51ECh. 1.2 - Prob. 52ECh. 1.2 - Prob. 53ECh. 1.2 - Prob. 54ECh. 1.2 - Prob. 55ECh. 1.2 - In Exercises 19—70, use mathematical modeling...Ch. 1.2 - Prob. 57ECh. 1.2 - Prob. 58ECh. 1.2 - Prob. 59ECh. 1.2 - Prob. 60ECh. 1.2 - Prob. 61ECh. 1.2 - Prob. 62ECh. 1.2 - Prob. 63ECh. 1.2 - Prob. 64ECh. 1.2 - Prob. 65ECh. 1.2 - Prob. 66ECh. 1.2 - Prob. 67ECh. 1.2 - Prob. 68ECh. 1.2 - Prob. 69ECh. 1.2 - Prob. 70ECh. 1.2 - Prob. 71ECh. 1.2 - Prob. 72ECh. 1.2 - Prob. 73ECh. 1.2 - Prob. 74ECh. 1.2 - Democritus has lived 16 of his life as a boy, 18...Ch. 1.2 - Prob. 76ECh. 1.2 - Prob. 77ECh. 1.2 - Prob. 78ECh. 1.2 - Prob. 79ECh. 1.2 - Prob. 80ECh. 1.2 - Prob. 81ECh. 1.2 - Prob. 82ECh. 1.2 - Prob. 83ECh. 1.2 - Prob. 84ECh. 1.2 - Prob. 85ECh. 1.2 - Prob. 86ECh. 1.2 - Prob. 87ECh. 1.2 - Prob. 88ECh. 1.2 - Prob. 89ECh. 1.2 - Prob. 90ECh. 1.2 - Prob. 91ECh. 1.2 - Prob. 92ECh. 1.2 - Prob. 93ECh. 1.2 - Prob. 94ECh. 1.2 - Prob. 95ECh. 1.2 - Prob. 96ECh. 1.2 - Prob. 97ECh. 1.2 - Prob. 98ECh. 1.2 - Prob. 99ECh. 1.2 - Prob. 100ECh. 1.2 - Prob. 101ECh. 1.2 - Prob. 102ECh. 1.2 - Prob. 103ECh. 1.2 - Prob. 104ECh. 1.3 - Any equation of the form ax2+bx+c=0 with a0 is...Ch. 1.3 - Prob. 2ECh. 1.3 - From the square root property, we know that if...Ch. 1.3 - Prob. 4ECh. 1.3 - Prob. 5ECh. 1.3 - Prob. 6ECh. 1.3 - Prob. 7ECh. 1.3 - Prob. 8ECh. 1.3 - Prob. 9ECh. 1.3 - Prob. 10ECh. 1.3 - Prob. 11ECh. 1.3 - Prob. 12ECh. 1.3 - Prob. 13ECh. 1.3 - Prob. 14ECh. 1.3 - Prob. 15ECh. 1.3 - Prob. 16ECh. 1.3 - Prob. 17ECh. 1.3 - Prob. 18ECh. 1.3 - Prob. 19ECh. 1.3 - Prob. 20ECh. 1.3 - Prob. 21ECh. 1.3 - Prob. 22ECh. 1.3 - Prob. 23ECh. 1.3 - Prob. 24ECh. 1.3 - Prob. 25ECh. 1.3 - Prob. 26ECh. 1.3 - Prob. 27ECh. 1.3 - Prob. 28ECh. 1.3 - Prob. 29ECh. 1.3 - In Exercises 25—30, solve each equation by the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 31—40, add a constant term to the...Ch. 1.3 - In Exercises 41—46, solve each equation by...Ch. 1.3 - In Exercises 41—46, solve each equation by...Ch. 1.3 - In Exercises 41—46, solve each equation by...Ch. 1.3 - In Exercises 41—46, solve each equation by...Ch. 1.3 - In Exercises 41—46, solve each equation by...Ch. 1.3 - In Exercises 41—46, solve each equation by...Ch. 1.3 - In Exercises 47—52, solve each equation by using...Ch. 1.3 - In Exercises 47—52, solve each equation by using...Ch. 1.3 - In Exercises 47—52, solve each equation by using...Ch. 1.3 - In Exercises 47—52, solve each equation by using...Ch. 1.3 - Prob. 51ECh. 1.3 - Prob. 52ECh. 1.3 - Prob. 53ECh. 1.3 - Prob. 54ECh. 1.3 - Prob. 55ECh. 1.3 - Prob. 56ECh. 1.3 - In Exercises 53—78, sole each equation by any...Ch. 1.3 - Prob. 58ECh. 1.3 - Prob. 59ECh. 1.3 - Prob. 60ECh. 1.3 - Prob. 61ECh. 1.3 - Prob. 62ECh. 1.3 - Prob. 63ECh. 1.3 - Prob. 64ECh. 1.3 - Prob. 65ECh. 1.3 - Prob. 66ECh. 1.3 - Prob. 67ECh. 1.3 - Prob. 68ECh. 1.3 - Prob. 69ECh. 1.3 - In Exercises 53—78, sole each equation by any...Ch. 1.3 - Prob. 71ECh. 1.3 - Prob. 72ECh. 1.3 - Prob. 73ECh. 1.3 - Prob. 74ECh. 1.3 - Prob. 75ECh. 1.3 - Prob. 76ECh. 1.3 - Prob. 77ECh. 1.3 - Prob. 78ECh. 1.3 - Prob. 79ECh. 1.3 - Prob. 80ECh. 1.3 - Prob. 81ECh. 1.3 - Prob. 82ECh. 1.3 - Prob. 83ECh. 1.3 - Prob. 84ECh. 1.3 - Prob. 85ECh. 1.3 - Prob. 86ECh. 1.3 - Prob. 87ECh. 1.3 - Prob. 88ECh. 1.3 - Prob. 89ECh. 1.3 - Prob. 90ECh. 1.3 - Prob. 91ECh. 1.3 - Dimensions. The diagonal of a square tile is 4...Ch. 1.3 - Prob. 93ECh. 1.3 - Prob. 94ECh. 1.3 - Interpreting a model. The percent, p, of persons...Ch. 1.3 - Prob. 96ECh. 1.3 - Prob. 97ECh. 1.3 - Prob. 98ECh. 1.3 - Prob. 99ECh. 1.3 - Prob. 100ECh. 1.3 - Prob. 101ECh. 1.3 - Prob. 102ECh. 1.3 - Prob. 103ECh. 1.3 - Making a box. A 2-inch square is cut from each...Ch. 1.3 - Prob. 105ECh. 1.3 - Prob. 106ECh. 1.3 - Prob. 107ECh. 1.3 - Prob. 108ECh. 1.3 - Prob. 109ECh. 1.3 - Prob. 110ECh. 1.3 - Prob. 111ECh. 1.3 - Prob. 112ECh. 1.3 - Prob. 113ECh. 1.3 - Prob. 114ECh. 1.3 - Prob. 115ECh. 1.3 - Prob. 116ECh. 1.3 - Prob. 117ECh. 1.3 - Prob. 118ECh. 1.3 - Prob. 119ECh. 1.3 - Prob. 120ECh. 1.3 - Prob. 121ECh. 1.3 - Prob. 122ECh. 1.3 - Prob. 123ECh. 1.3 - Prob. 124ECh. 1.3 - Prob. 125ECh. 1.3 - Prob. 126ECh. 1.3 - Prob. 127ECh. 1.3 - Prob. 128ECh. 1.3 - Prob. 129ECh. 1.3 - Prob. 130ECh. 1.3 - Prob. 131ECh. 1.3 - Prob. 132ECh. 1.3 - Prob. 133ECh. 1.3 - Prob. 134ECh. 1.3 - Prob. 135ECh. 1.3 - Prob. 136ECh. 1.3 - Prob. 137ECh. 1.3 - Prob. 138ECh. 1.3 - Prob. 139ECh. 1.3 - Prob. 140ECh. 1.3 - Prob. 141ECh. 1.3 - Prob. 142ECh. 1.3 - Prob. 143ECh. 1.3 - Prob. 144ECh. 1.3 - Prob. 145ECh. 1.3 - Prob. 146ECh. 1.3 - Prob. 147ECh. 1.3 - Prob. 148ECh. 1.4 - We define i = ________ that i2 = ___________.Ch. 1.4 - Prob. 2ECh. 1.4 - Prob. 3ECh. 1.4 - Prob. 4ECh. 1.4 - True or False. The product of a complex number and...Ch. 1.4 - Prob. 6ECh. 1.4 - Prob. 7ECh. 1.4 - True or False. The standard form of 1i is a+bi...Ch. 1.4 - In Exercises 9—32, perform each operation and...Ch. 1.4 - Prob. 10ECh. 1.4 - Prob. 11ECh. 1.4 - Prob. 12ECh. 1.4 - Prob. 13ECh. 1.4 - Prob. 14ECh. 1.4 - Prob. 15ECh. 1.4 - Prob. 16ECh. 1.4 - Prob. 17ECh. 1.4 - Prob. 18ECh. 1.4 - Prob. 19ECh. 1.4 - In Exercises 9—32, perform each operation and...Ch. 1.4 - Prob. 21ECh. 1.4 - Prob. 22ECh. 1.4 - Prob. 23ECh. 1.4 - Prob. 24ECh. 1.4 - Prob. 25ECh. 1.4 - Prob. 26ECh. 1.4 - Prob. 27ECh. 1.4 - Prob. 28ECh. 1.4 - Prob. 29ECh. 1.4 - Prob. 30ECh. 1.4 - Prob. 31ECh. 1.4 - Prob. 32ECh. 1.4 - Prob. 33ECh. 1.4 - Prob. 34ECh. 1.4 - Prob. 35ECh. 1.4 - Prob. 36ECh. 1.4 - Prob. 37ECh. 1.4 - Prob. 38ECh. 1.4 - Prob. 39ECh. 1.4 - Prob. 40ECh. 1.4 - Prob. 41ECh. 1.4 - Prob. 42ECh. 1.4 - Prob. 43ECh. 1.4 - Prob. 44ECh. 1.4 - Prob. 45ECh. 1.4 - Prob. 46ECh. 1.4 - Prob. 47ECh. 1.4 - Prob. 48ECh. 1.4 - Prob. 49ECh. 1.4 - Prob. 50ECh. 1.4 - Prob. 51ECh. 1.4 - Prob. 52ECh. 1.4 - Prob. 53ECh. 1.4 - Prob. 54ECh. 1.4 - Prob. 55ECh. 1.4 - Prob. 56ECh. 1.4 - Prob. 57ECh. 1.4 - Prob. 58ECh. 1.4 - In Exercises 53—62, solve each equation. 59....Ch. 1.4 - Prob. 60ECh. 1.4 - Prob. 61ECh. 1.4 - Prob. 62ECh. 1.4 - Prob. 63ECh. 1.4 - Prob. 64ECh. 1.4 - Prob. 65ECh. 1.4 - Prob. 66ECh. 1.4 - Prob. 67ECh. 1.4 - Prob. 68ECh. 1.4 - Prob. 69ECh. 1.4 - Prob. 70ECh. 1.4 - Prob. 71ECh. 1.4 - Prob. 72ECh. 1.4 - Prob. 73ECh. 1.4 - In Exercises 71—80, find each power of j and...Ch. 1.4 - Prob. 75ECh. 1.4 - Prob. 76ECh. 1.4 - Prob. 77ECh. 1.4 - Prob. 78ECh. 1.4 - Prob. 79ECh. 1.4 - Prob. 80ECh. 1.4 - Prob. 81ECh. 1.4 - Prob. 82ECh. 1.4 - Prob. 83ECh. 1.4 - Prob. 84ECh. 1.4 - Prob. 85ECh. 1.4 - Prob. 86ECh. 1.4 - Prob. 87ECh. 1.4 - Prob. 88ECh. 1.4 - Prob. 89ECh. 1.4 - Prob. 90ECh. 1.4 - Prob. 91ECh. 1.4 - Prob. 92ECh. 1.4 - Prob. 93ECh. 1.4 - Prob. 94ECh. 1.4 - Prob. 95ECh. 1.4 - Prob. 96ECh. 1.4 - Prob. 97ECh. 1.4 - Prob. 98ECh. 1.4 - Prob. 99ECh. 1.4 - Prob. 100ECh. 1.4 - Prob. 101ECh. 1.4 - Prob. 102ECh. 1.4 - Prob. 103ECh. 1.4 - Prob. 104ECh. 1.4 - Prob. 105ECh. 1.4 - Prob. 106ECh. 1.4 - Prob. 107ECh. 1.4 - Prob. 108ECh. 1.5 - If an apparent solution does not satisfy the...Ch. 1.5 - Prob. 2ECh. 1.5 - Prob. 3ECh. 1.5 - Prob. 4ECh. 1.5 - Prob. 5ECh. 1.5 - Prob. 6ECh. 1.5 - Prob. 7ECh. 1.5 - Prob. 8ECh. 1.5 - In Exercises 9—18, find the real solutions of each...Ch. 1.5 - Prob. 10ECh. 1.5 - Prob. 11ECh. 1.5 - In Exercises 9—18, find the real solutions of each...Ch. 1.5 - Prob. 13ECh. 1.5 - Prob. 14ECh. 1.5 - In Exercises 9—18, find the real solutions of each...Ch. 1.5 - In Exercises 9—18, find the real solutions of each...Ch. 1.5 - In Exercises 9—18, find the real solutions of each...Ch. 1.5 - Prob. 18ECh. 1.5 - Prob. 19ECh. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - Prob. 21ECh. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - Prob. 25ECh. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - In Exercises 19—28, solve each equation by...Ch. 1.5 - Prob. 29ECh. 1.5 - Prob. 30ECh. 1.5 - Prob. 31ECh. 1.5 - Prob. 32ECh. 1.5 - In Exercises 29—36, solve each equation. Check...Ch. 1.5 - Prob. 34ECh. 1.5 - Prob. 35ECh. 1.5 - In Exercises 29—36, solve each equation. Check...Ch. 1.5 - Prob. 37ECh. 1.5 - Prob. 38ECh. 1.5 - Prob. 39ECh. 1.5 - Prob. 40ECh. 1.5 - Prob. 41ECh. 1.5 - Prob. 42ECh. 1.5 - Prob. 43ECh. 1.5 - In Exercises 37—58, solve each equation. Check...Ch. 1.5 - Prob. 45ECh. 1.5 - Prob. 46ECh. 1.5 - Prob. 47ECh. 1.5 - Prob. 48ECh. 1.5 - Prob. 49ECh. 1.5 - Prob. 50ECh. 1.5 - Prob. 51ECh. 1.5 - Prob. 52ECh. 1.5 - Prob. 53ECh. 1.5 - Prob. 54ECh. 1.5 - Prob. 55ECh. 1.5 - Prob. 56ECh. 1.5 - Prob. 57ECh. 1.5 - Prob. 58ECh. 1.5 - Prob. 59ECh. 1.5 - Prob. 60ECh. 1.5 - Prob. 61ECh. 1.5 - Prob. 62ECh. 1.5 - Prob. 63ECh. 1.5 - Prob. 64ECh. 1.5 - Prob. 65ECh. 1.5 - Prob. 66ECh. 1.5 - Prob. 67ECh. 1.5 - Prob. 68ECh. 1.5 - Prob. 69ECh. 1.5 - Prob. 70ECh. 1.5 - Prob. 71ECh. 1.5 - Prob. 72ECh. 1.5 - Prob. 73ECh. 1.5 - Prob. 74ECh. 1.5 - Prob. 75ECh. 1.5 - Prob. 76ECh. 1.5 - Prob. 77ECh. 1.5 - Prob. 78ECh. 1.5 - Prob. 79ECh. 1.5 - Prob. 80ECh. 1.5 - Prob. 81ECh. 1.5 - Prob. 82ECh. 1.5 - Prob. 83ECh. 1.5 - Prob. 84ECh. 1.5 - Prob. 85ECh. 1.5 - Prob. 86ECh. 1.5 - Prob. 87ECh. 1.5 - Prob. 88ECh. 1.5 - Prob. 89ECh. 1.5 - Prob. 90ECh. 1.5 - Prob. 91ECh. 1.5 - Prob. 92ECh. 1.5 - Prob. 93ECh. 1.5 - Bus charter. A civic club charters a bus for one...Ch. 1.5 - Prob. 95ECh. 1.5 - Estimating the horizon. You are in a hot air...Ch. 1.5 - Prob. 97ECh. 1.5 - Prob. 98ECh. 1.5 - Prob. 99ECh. 1.5 - Prob. 100ECh. 1.5 - Prob. 101ECh. 1.5 - Emergency at sea. You are at sea in your motorboat...Ch. 1.5 - Prob. 103ECh. 1.5 - Prob. 104ECh. 1.5 - Prob. 105ECh. 1.5 - Prob. 106ECh. 1.5 - Prob. 107ECh. 1.5 - Prob. 108ECh. 1.5 - Prob. 109ECh. 1.5 - Prob. 110ECh. 1.5 - Prob. 111ECh. 1.5 - Prob. 112ECh. 1.5 - Prob. 113ECh. 1.5 - Prob. 114ECh. 1.5 - Prob. 115ECh. 1.5 - Prob. 116ECh. 1.5 - Prob. 117ECh. 1.5 - Prob. 118ECh. 1.5 - Prob. 119ECh. 1.5 - Prob. 120ECh. 1.5 - Prob. 121ECh. 1.5 - Prob. 122ECh. 1.5 - Prob. 123ECh. 1.5 - Prob. 124ECh. 1.5 - Prob. 125ECh. 1.5 - Prob. 126ECh. 1.5 - Prob. 127ECh. 1.5 - Prob. 128ECh. 1.5 - Prob. 129ECh. 1.5 - Prob. 130ECh. 1.5 - Prob. 131ECh. 1.5 - Prob. 132ECh. 1.5 - Prob. 133ECh. 1.5 - Prob. 134ECh. 1.5 - Prob. 135ECh. 1.5 - Prob. 136ECh. 1.6 - In Exercises 1—4, fill in the blank with the...Ch. 1.6 - Prob. 2ECh. 1.6 - Prob. 3ECh. 1.6 - Prob. 4ECh. 1.6 - Prob. 5ECh. 1.6 - Prob. 6ECh. 1.6 - Prob. 7ECh. 1.6 - Prob. 8ECh. 1.6 - In Exercises 9—18, graph the solution set of each...Ch. 1.6 - In Exercises 9—18, graph the solution set of each...Ch. 1.6 - Prob. 11ECh. 1.6 - Prob. 12ECh. 1.6 - Prob. 13ECh. 1.6 - Prob. 14ECh. 1.6 - Prob. 15ECh. 1.6 - Prob. 16ECh. 1.6 - Prob. 17ECh. 1.6 - Prob. 18ECh. 1.6 - Prob. 19ECh. 1.6 - Prob. 20ECh. 1.6 - Prob. 21ECh. 1.6 - Prob. 22ECh. 1.6 - Prob. 23ECh. 1.6 - Prob. 24ECh. 1.6 - Prob. 25ECh. 1.6 - Prob. 26ECh. 1.6 - Prob. 27ECh. 1.6 - Prob. 28ECh. 1.6 - Prob. 29ECh. 1.6 - Prob. 30ECh. 1.6 - Prob. 31ECh. 1.6 - Prob. 32ECh. 1.6 - In Exercises 19—40, solve each inequality. Write...Ch. 1.6 - Prob. 34ECh. 1.6 - Prob. 35ECh. 1.6 - Prob. 36ECh. 1.6 - Prob. 37ECh. 1.6 - Prob. 38ECh. 1.6 - Prob. 39ECh. 1.6 - Prob. 40ECh. 1.6 - Prob. 41ECh. 1.6 - Prob. 42ECh. 1.6 - Prob. 43ECh. 1.6 - In Exercises 41—50, solve each rational...Ch. 1.6 - Prob. 45ECh. 1.6 - Prob. 46ECh. 1.6 - Prob. 47ECh. 1.6 - Prob. 48ECh. 1.6 - Prob. 49ECh. 1.6 - Prob. 50ECh. 1.6 - Prob. 51ECh. 1.6 - Prob. 52ECh. 1.6 - Prob. 53ECh. 1.6 - Prob. 54ECh. 1.6 - Prob. 55ECh. 1.6 - Prob. 56ECh. 1.6 - Prob. 57ECh. 1.6 - Prob. 58ECh. 1.6 - Prob. 59ECh. 1.6 - Prob. 60ECh. 1.6 - Prob. 61ECh. 1.6 - Prob. 62ECh. 1.6 - Prob. 63ECh. 1.6 - Prob. 64ECh. 1.6 - Prob. 65ECh. 1.6 - Prob. 66ECh. 1.6 - Prob. 67ECh. 1.6 - Prob. 68ECh. 1.6 - In Exercises 67—78. solve each compound...Ch. 1.6 - Prob. 70ECh. 1.6 - Prob. 71ECh. 1.6 - Prob. 72ECh. 1.6 - Prob. 73ECh. 1.6 - Prob. 74ECh. 1.6 - Prob. 75ECh. 1.6 - Prob. 76ECh. 1.6 - In Exercises 67—78. solve each compound...Ch. 1.6 - Prob. 78ECh. 1.6 - Prob. 79ECh. 1.6 - Prob. 80ECh. 1.6 - Prob. 81ECh. 1.6 - Prob. 82ECh. 1.6 - Prob. 83ECh. 1.6 - Prob. 84ECh. 1.6 - Prob. 85ECh. 1.6 - Prob. 86ECh. 1.6 - Prob. 87ECh. 1.6 - In Exercises 85—100, use the test-point method to...Ch. 1.6 - Prob. 89ECh. 1.6 - In Exercises 85—100, use the test-point method to...Ch. 1.6 - Prob. 91ECh. 1.6 - Prob. 92ECh. 1.6 - Prob. 93ECh. 1.6 - Prob. 94ECh. 1.6 - Prob. 95ECh. 1.6 - Prob. 96ECh. 1.6 - Prob. 97ECh. 1.6 - In Exercises 85—100, use the test-point method to...Ch. 1.6 - Prob. 99ECh. 1.6 - Prob. 100ECh. 1.6 - Prob. 101ECh. 1.6 - Prob. 102ECh. 1.6 - Prob. 103ECh. 1.6 - Prob. 104ECh. 1.6 - Prob. 105ECh. 1.6 - In Exercises 101—120, solve each rational...Ch. 1.6 - Prob. 107ECh. 1.6 - Prob. 108ECh. 1.6 - Prob. 109ECh. 1.6 - Prob. 110ECh. 1.6 - Prob. 111ECh. 1.6 - Prob. 112ECh. 1.6 - Prob. 113ECh. 1.6 - Prob. 114ECh. 1.6 - Prob. 115ECh. 1.6 - Prob. 116ECh. 1.6 - Prob. 117ECh. 1.6 - Prob. 118ECh. 1.6 - Prob. 119ECh. 1.6 - Prob. 120ECh. 1.6 - Prob. 121ECh. 1.6 - Prob. 122ECh. 1.6 - Prob. 123ECh. 1.6 - Prob. 124ECh. 1.6 - Prob. 125ECh. 1.6 - Prob. 126ECh. 1.6 - Prob. 127ECh. 1.6 - Prob. 128ECh. 1.6 - Prob. 129ECh. 1.6 - Prob. 130ECh. 1.6 - Prob. 131ECh. 1.6 - Prob. 132ECh. 1.6 - Prob. 133ECh. 1.6 - Prob. 134ECh. 1.6 - Prob. 135ECh. 1.6 - Prob. 136ECh. 1.6 - Prob. 137ECh. 1.6 - Prob. 138ECh. 1.6 - Prob. 139ECh. 1.6 - Prob. 140ECh. 1.6 - Prob. 141ECh. 1.6 - Prob. 142ECh. 1.6 - Prob. 143ECh. 1.6 - Prob. 144ECh. 1.6 - Prob. 145ECh. 1.6 - Prob. 146ECh. 1.6 - Prob. 147ECh. 1.6 - Prob. 148ECh. 1.6 - Prob. 149ECh. 1.6 - Prob. 150ECh. 1.6 - Prob. 151ECh. 1.6 - Prob. 152ECh. 1.6 - Prob. 153ECh. 1.6 - Prob. 154ECh. 1.6 - Prob. 155ECh. 1.6 - Prob. 156ECh. 1.6 - Prob. 157ECh. 1.6 - Prob. 158ECh. 1.6 - Prob. 159ECh. 1.6 - Prob. 160ECh. 1.7 - In Exercises 1—6, assume that a0 . 1. The solution...Ch. 1.7 - Prob. 2ECh. 1.7 - Prob. 3ECh. 1.7 - Prob. 4ECh. 1.7 - Prob. 5ECh. 1.7 - Prob. 6ECh. 1.7 - Prob. 7ECh. 1.7 - Prob. 8ECh. 1.7 - Prob. 9ECh. 1.7 - Prob. 10ECh. 1.7 - Prob. 11ECh. 1.7 - Prob. 12ECh. 1.7 - Prob. 13ECh. 1.7 - Prob. 14ECh. 1.7 - Prob. 15ECh. 1.7 - Prob. 16ECh. 1.7 - Prob. 17ECh. 1.7 - In Exercises 9—36, solve each equation. 18. 6x3=9Ch. 1.7 - Prob. 19ECh. 1.7 - Prob. 20ECh. 1.7 - Prob. 21ECh. 1.7 - Prob. 22ECh. 1.7 - Prob. 23ECh. 1.7 - Prob. 24ECh. 1.7 - Prob. 25ECh. 1.7 - Prob. 26ECh. 1.7 - Prob. 27ECh. 1.7 - Prob. 28ECh. 1.7 - Prob. 29ECh. 1.7 - Prob. 30ECh. 1.7 - Prob. 31ECh. 1.7 - Prob. 32ECh. 1.7 - Prob. 33ECh. 1.7 - Prob. 34ECh. 1.7 - Prob. 35ECh. 1.7 - Prob. 36ECh. 1.7 - Prob. 37ECh. 1.7 - Prob. 38ECh. 1.7 - Prob. 39ECh. 1.7 - Prob. 40ECh. 1.7 - Prob. 41ECh. 1.7 - Prob. 42ECh. 1.7 - Prob. 43ECh. 1.7 - Prob. 44ECh. 1.7 - Prob. 45ECh. 1.7 - Prob. 46ECh. 1.7 - Prob. 47ECh. 1.7 - Prob. 48ECh. 1.7 - Prob. 49ECh. 1.7 - Prob. 50ECh. 1.7 - In Exerciese 47-62, solve each inequality. 51....Ch. 1.7 - Prob. 52ECh. 1.7 - Prob. 53ECh. 1.7 - In Exerciese 47-62, solve each inequality. 54....Ch. 1.7 - Prob. 55ECh. 1.7 - Prob. 56ECh. 1.7 - Prob. 57ECh. 1.7 - Prob. 58ECh. 1.7 - In Exerciese 47-62, solve each inequality. 59....Ch. 1.7 - Prob. 60ECh. 1.7 - Prob. 61ECh. 1.7 - Prob. 62ECh. 1.7 - Prob. 63ECh. 1.7 - Prob. 64ECh. 1.7 - Prob. 65ECh. 1.7 - In Exercises 63—72, solve each inequality. 66....Ch. 1.7 - Prob. 67ECh. 1.7 - Prob. 68ECh. 1.7 - In Exercises 63—72, solve each inequality. 69....Ch. 1.7 - Prob. 70ECh. 1.7 - Prob. 71ECh. 1.7 - Prob. 72ECh. 1.7 - Prob. 73ECh. 1.7 - Prob. 74ECh. 1.7 - Prob. 75ECh. 1.7 - Prob. 76ECh. 1.7 - Prob. 77ECh. 1.7 - Prob. 78ECh. 1.7 - Prob. 79ECh. 1.7 - Prob. 80ECh. 1.7 - Prob. 81ECh. 1.7 - Prob. 82ECh. 1.7 - Prob. 83ECh. 1.7 - Prob. 84ECh. 1.7 - Prob. 85ECh. 1.7 - Prob. 86ECh. 1.7 - Prob. 87ECh. 1.7 - Prob. 88ECh. 1.7 - Prob. 89ECh. 1.7 - Prob. 90ECh. 1.7 - Prob. 91ECh. 1.7 - Prob. 92ECh. 1.7 - Prob. 93ECh. 1.7 - Prob. 94ECh. 1.7 - Prob. 95ECh. 1.7 - Prob. 96ECh. 1.7 - Prob. 97ECh. 1.7 - Prob. 98ECh. 1.7 - Prob. 99ECh. 1.7 - Prob. 100ECh. 1.7 - Prob. 101ECh. 1.7 - Prob. 102ECh. 1.7 - Prob. 103ECh. 1.7 - Prob. 104ECh. 1.7 - Varying temperatures. The weather forecast...Ch. 1.7 - Prob. 106ECh. 1.7 - Prob. 107ECh. 1.7 - Prob. 108ECh. 1.7 - Prob. 109ECh. 1.7 - Prob. 110ECh. 1.7 - Prob. 111ECh. 1.7 - Prob. 112ECh. 1.7 - Prob. 113ECh. 1.7 - Prob. 114ECh. 1.7 - Prob. 115ECh. 1.7 - Prob. 116ECh. 1.7 - Prob. 117ECh. 1.7 - Prob. 118ECh. 1.7 - Prob. 119ECh. 1.7 - Prob. 120ECh. 1.7 - Prob. 121ECh. 1.7 - Prob. 122ECh. 1.7 - Prob. 123ECh. 1.7 - Prob. 124ECh. 1.7 - Prob. 125ECh. 1.7 - Prob. 126ECh. 1.7 - Prob. 127ECh. 1.7 - Prob. 128ECh. 1 - Prob. 1RECh. 1 - Prob. 2RECh. 1 - Prob. 3RECh. 1 - Prob. 4RECh. 1 - Prob. 5RECh. 1 - Prob. 6RECh. 1 - Prob. 7RECh. 1 - Prob. 8RECh. 1 - Prob. 9RECh. 1 - Prob. 10RECh. 1 - Prob. 11RECh. 1 - Prob. 12RECh. 1 - Prob. 13RECh. 1 - Prob. 14RECh. 1 - Prob. 15RECh. 1 - Prob. 16RECh. 1 - Prob. 17RECh. 1 - In Exercises 1—18, solve each equation. 18....Ch. 1 - Prob. 19RECh. 1 - Prob. 20RECh. 1 - Prob. 21RECh. 1 - Prob. 22RECh. 1 - Prob. 23RECh. 1 - Prob. 24RECh. 1 - Prob. 25RECh. 1 - Prob. 26RECh. 1 - Prob. 27RECh. 1 - Prob. 28RECh. 1 - Prob. 29RECh. 1 - Prob. 30RECh. 1 - Prob. 31RECh. 1 - Prob. 32RECh. 1 - Prob. 33RECh. 1 - Prob. 34RECh. 1 - Prob. 35RECh. 1 - Prob. 36RECh. 1 - Prob. 37RECh. 1 - Prob. 38RECh. 1 - Prob. 39RECh. 1 - Prob. 40RECh. 1 - Prob. 41RECh. 1 - Prob. 42RECh. 1 - Prob. 43RECh. 1 - Prob. 44RECh. 1 - Prob. 45RECh. 1 - Prob. 46RECh. 1 - Prob. 47RECh. 1 - Prob. 48RECh. 1 - Prob. 49RECh. 1 - Prob. 50RECh. 1 - Prob. 51RECh. 1 - Prob. 52RECh. 1 - Prob. 53RECh. 1 - Prob. 54RECh. 1 - Prob. 55RECh. 1 - Prob. 56RECh. 1 - Prob. 57RECh. 1 - Prob. 58RECh. 1 - Prob. 59RECh. 1 - Prob. 60RECh. 1 - Prob. 61RECh. 1 - Prob. 62RECh. 1 - Prob. 63RECh. 1 - Prob. 64RECh. 1 - Prob. 65RECh. 1 - Prob. 66RECh. 1 - Prob. 67RECh. 1 - Prob. 68RECh. 1 - Prob. 69RECh. 1 - Prob. 70RECh. 1 - Prob. 71RECh. 1 - Prob. 72RECh. 1 - Prob. 73RECh. 1 - Prob. 74RECh. 1 - Prob. 75RECh. 1 - Prob. 76RECh. 1 - Prob. 77RECh. 1 - Prob. 78RECh. 1 - Prob. 79RECh. 1 - Prob. 80RECh. 1 - Prob. 81RECh. 1 - Prob. 82RECh. 1 - Prob. 83RECh. 1 - Prob. 84RECh. 1 - Prob. 85RECh. 1 - Prob. 86RECh. 1 - Prob. 87RECh. 1 - Prob. 88RECh. 1 - Prob. 89RECh. 1 - Prob. 90RECh. 1 - Prob. 91RECh. 1 - Prob. 92RECh. 1 - Prob. 93RECh. 1 - Prob. 94RECh. 1 - Prob. 95RECh. 1 - Prob. 96RECh. 1 - Prob. 97RECh. 1 - Prob. 98RECh. 1 - Prob. 99RECh. 1 - Prob. 100RECh. 1 - Prob. 101RECh. 1 - Prob. 102RECh. 1 - Prob. 103RECh. 1 - Prob. 104RECh. 1 - Prob. 105RECh. 1 - Prob. 106RECh. 1 - Prob. 107RECh. 1 - Prob. 108RECh. 1 - Prob. 109RECh. 1 - Prob. 110RECh. 1 - Prob. 111RECh. 1 - Prob. 112RECh. 1 - Prob. 113RECh. 1 - Prob. 114RECh. 1 - Prob. 115RECh. 1 - Prob. 116RECh. 1 - Prob. 117RECh. 1 - Prob. 118RECh. 1 - Prob. 119RECh. 1 - Prob. 120RECh. 1 - Prob. 121RECh. 1 - Prob. 122RECh. 1 - Prob. 123RECh. 1 - Prob. 124RECh. 1 - Prob. 125RECh. 1 - Prob. 126RECh. 1 - Prob. 127RECh. 1 - Prob. 128RECh. 1 - Prob. 129RECh. 1 - Prob. 1PTACh. 1 - Prob. 2PTACh. 1 - Prob. 3PTACh. 1 - Prob. 4PTACh. 1 - Prob. 5PTACh. 1 - Prob. 6PTACh. 1 - Prob. 7PTACh. 1 - Prob. 8PTACh. 1 - Prob. 9PTACh. 1 - Prob. 10PTACh. 1 - Prob. 11PTACh. 1 - Prob. 12PTACh. 1 - Prob. 13PTACh. 1 - Prob. 14PTACh. 1 - Solve the absolute value equation 13x+5=23x+7 .Ch. 1 - Prob. 16PTACh. 1 - Prob. 17PTACh. 1 - Prob. 18PTACh. 1 - Prob. 19PTACh. 1 - Prob. 20PTACh. 1 - Prob. 1PTBCh. 1 - Prob. 2PTBCh. 1 - Prob. 3PTBCh. 1 - Prob. 4PTBCh. 1 - Prob. 5PTBCh. 1 - Prob. 6PTBCh. 1 - Prob. 7PTBCh. 1 - Prob. 8PTBCh. 1 - Prob. 9PTBCh. 1 - Prob. 10PTBCh. 1 - Prob. 11PTBCh. 1 - Prob. 12PTBCh. 1 - Prob. 13PTBCh. 1 - Prob. 14PTBCh. 1 - Prob. 15PTBCh. 1 - Prob. 16PTBCh. 1 - Prob. 17PTBCh. 1 - Prob. 18PTBCh. 1 - Prob. 19PTBCh. 1 - Prob. 20PTB
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- Exercises 25–28: Solve by completing the square. 25. x² + 2x = 5 26. x² - 3x = 3 27. 2:2 – 62 - 1 = 0 28. - - r + 1 = 0arrow_forwardExercises 105-120: Complete the following. (a) Write the equation as ax² + bx + e = 0 with a > 0. (b) Calculate the discriminant b² – 4ac and determine the number of real solutions. (c) Solve the equation. 105. 3x² = 12 106. 8x - 2 = 14 107. x² – 2x = -1 108. 6x² = 4x 109. 4x = x? 110. 16x + 9 = 24x 111. x² + 1 = x 112. 2x² + x = 2 113. 2x² + 3x = 12 – 2x 114. 3x² + 3 = 5x 115. x(x – 4) = -4 116. + 3x = x – 4 117. x(x + 2) = -13 118. 4x = 6 + x? 119. 3x = 1- x 120. x(5x – 3) = 1arrow_forwardExercises 105–107 will help you prepare for the material covered in the next section. 105. Let x represent a number. a. Write an equation in x that describes the following conditions: Four less than three times the number is 32. b. Solve the equation and determine the number. 106. Let x represent the number of countries in the world that are not free. The number of free countries exceeds the number of not-free countries by 44. Write an algebraic expression that represents the number of free countries. 107. You purchase a new car for $20,000. Each year the value of the car decreases by $2500. Write an algebraic expression that represents the car's value, in dollars, after x years.arrow_forward
- Exercises 6–8, solve the 6. 24 33 9. You are in a hot air barrow_forwardRewriting an Expression In Exercises 51–54,rewrite the quadratic portion of the algebraic expressionas the sum or difference of two squares by completingthe square.arrow_forwardIn Exercises 3-5, solve each equation. 3. 5 - 2(3 – x) = 2(2x + 5) + 1 3x 4. 5 *+4- 4 = 5. 3x – 4 = 2(3x + 2) – 3xarrow_forward
- Practice PLUS Exercises 65–68 describe quadratic equations. Match each description with the graph of the corresponding quadratic function. Each graph is shown in a [-10, 10, 1] by [–10, 10, 1] viewing rectangle. 65. A quadratic equation whose solution set contains imaginary numbers 66. A quadratic equation whose discriminant is 0 67. A quadratic equation whose solution set is {3 ± V2} 68. A quadratic equation whose solution set contains integers а. b. C. d. 69. When the sum of 6 and twice a positive number is subtracted from the square of the number, 0 results. Find the number. 70. When the sum of 1 and twice a negative number isarrow_forwardIn Exercises 67-74, solve each quadratic equation by completing the square. 67. x + 6x = 7 68. x + 6x = -8 69. x? - 2x = 2 70. x + 4x = 12 %3D 71. x - 6x – 11 = 0 72. x - 2r - 5 = 0 74. x + 6x - 5 = 0 73. x + 4x + 1 = 0arrow_forwardtMyLab and Mastering MAT 1110-01 F2021 = Homework: Section 1.5 Homework Solve the following equation by completing the square. 7x - 7x-1=0 The solution set is { }. (Type an exact answer, using radicals as needed. Use integers or fracarrow_forward
- In Exercises 61-66, solve each quadratic equation by the square root property. 61. 3x? = 27 62. 5x? = 45 63. 5x + 1 = 51 65. 3(x – 4) = 15 64. 3x? - 1 = 47 66. 3(x + 4)? = 21arrow_forwardcomplete the square do not solvearrow_forwardFind all the solutions to the quadratic equation (x+ 3) = 36. 3 6. -9 -3 15 91arrow_forward
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