Explanation Given: The quadratic equation is 2 x 2 + 7 x − 15 = 0 . Calculation: The roots of the quadratic equation is, x = − b ± b 2 − 4 a c 2 a (1) The given equation is in the standard form with a = 2 , b = + 7 , c = − 15 . Substitute the value of a , b , c in equation (1), x = − 7 ± ( − 7 ) 2 − 4 × 2 × (

Applied Calculus for the Managerial, Life, and Social Sciences

10th Edition

ISBN: 9781305887831

Author: Tan

Publisher: CENGAGE CO

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

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Question

Chapter 1.1, Problem 140E

To determine

The roots of the quadratic equation by using quadratic method.

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Chapter 1.1, Problem 139E

Chapter 1.1, Problem 141E

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Chapter 1 Solutions

Applied Calculus for the Managerial, Life, and Social Sciences

Ch. 1.1 - Prob. 1E Ch. 1.1 - Prob. 2E Ch. 1.1 - Prob. 3E Ch. 1.1 - Prob. 4E Ch. 1.1 - Prob. 5E Ch. 1.1 - Prob. 6E Ch. 1.1 - Prob. 7E Ch. 1.1 - Prob. 8E Ch. 1.1 - Prob. 9E Ch. 1.1 - Prob. 10E

Ch. 1.1 - Prob. 11E Ch. 1.1 - Prob. 12E Ch. 1.1 - Prob. 13E Ch. 1.1 - Prob. 14E Ch. 1.1 - Prob. 15E Ch. 1.1 - Prob. 16E Ch. 1.1 - Prob. 17E Ch. 1.1 - Prob. 18E Ch. 1.1 - Prob. 19E Ch. 1.1 - Prob. 20E Ch. 1.1 - Prob. 21E Ch. 1.1 - Prob. 22E Ch. 1.1 - Prob. 23E Ch. 1.1 - Prob. 24E Ch. 1.1 - Prob. 25E Ch. 1.1 - Prob. 26E Ch. 1.1 - Prob. 27E Ch. 1.1 - Prob. 28E Ch. 1.1 - Prob. 29E Ch. 1.1 - Prob. 30E Ch. 1.1 - Prob. 31E Ch. 1.1 - Prob. 32E Ch. 1.1 - Prob. 33E Ch. 1.1 - Prob. 34E Ch. 1.1 - Prob. 35E Ch. 1.1 - Prob. 36E Ch. 1.1 - Prob. 37E Ch. 1.1 - Prob. 38E Ch. 1.1 - Prob. 39E Ch. 1.1 - Prob. 40E Ch. 1.1 - Prob. 41E Ch. 1.1 - Prob. 42E Ch. 1.1 - Prob. 43E Ch. 1.1 - Prob. 44E Ch. 1.1 - Prob. 45E Ch. 1.1 - Prob. 46E Ch. 1.1 - Prob. 47E Ch. 1.1 - Prob. 48E Ch. 1.1 - Prob. 49E Ch. 1.1 - Prob. 50E Ch. 1.1 - Prob. 51E Ch. 1.1 - Prob. 52E Ch. 1.1 - Prob. 53E Ch. 1.1 - Prob. 54E Ch. 1.1 - Prob. 55E Ch. 1.1 - Prob. 56E Ch. 1.1 - Prob. 57E Ch. 1.1 - Prob. 58E Ch. 1.1 - Prob. 59E Ch. 1.1 - Prob. 60E Ch. 1.1 - Prob. 61E Ch. 1.1 - Prob. 62E Ch. 1.1 - Prob. 63E Ch. 1.1 - Prob. 64E Ch. 1.1 - Prob. 65E Ch. 1.1 - Prob. 66E Ch. 1.1 - Prob. 67E Ch. 1.1 - Prob. 68E Ch. 1.1 - Prob. 69E Ch. 1.1 - Prob. 70E Ch. 1.1 - Prob. 71E Ch. 1.1 - Prob. 72E Ch. 1.1 - Prob. 73E Ch. 1.1 - Prob. 74E Ch. 1.1 - Prob. 75E Ch. 1.1 - Prob. 76E Ch. 1.1 - Prob. 77E Ch. 1.1 - Prob. 78E Ch. 1.1 - Prob. 79E Ch. 1.1 - Prob. 80E Ch. 1.1 - Prob. 81E Ch. 1.1 - Prob. 82E Ch. 1.1 - Prob. 83E Ch. 1.1 - Prob. 84E Ch. 1.1 - Prob. 85E Ch. 1.1 - Prob. 86E Ch. 1.1 - Prob. 87E Ch. 1.1 - Prob. 88E Ch. 1.1 - Prob. 89E Ch. 1.1 - Prob. 90E Ch. 1.1 - Prob. 91E Ch. 1.1 - Prob. 92E Ch. 1.1 - Prob. 93E Ch. 1.1 - Prob. 94E Ch. 1.1 - Prob. 95E Ch. 1.1 - Prob. 96E Ch. 1.1 - Prob. 97E Ch. 1.1 - Prob. 98E Ch. 1.1 - Prob. 99E Ch. 1.1 - Prob. 100E Ch. 1.1 - Prob. 101E Ch. 1.1 - Prob. 102E Ch. 1.1 - Prob. 103E Ch. 1.1 - Prob. 104E Ch. 1.1 - Prob. 105E Ch. 1.1 - Prob. 106E Ch. 1.1 - Prob. 107E Ch. 1.1 - Prob. 108E Ch. 1.1 - Prob. 109E Ch. 1.1 - Prob. 110E Ch. 1.1 - Prob. 111E Ch. 1.1 - Prob. 112E Ch. 1.1 - Prob. 113E Ch. 1.1 - Prob. 114E Ch. 1.1 - Prob. 115E Ch. 1.1 - Prob. 116E Ch. 1.1 - Prob. 117E Ch. 1.1 - Prob. 118E Ch. 1.1 - Prob. 119E Ch. 1.1 - Prob. 120E Ch. 1.1 - Prob. 121E Ch. 1.1 - Prob. 122E Ch. 1.1 - Prob. 123E Ch. 1.1 - Prob. 124E Ch. 1.1 - Prob. 125E Ch. 1.1 - Prob. 126E Ch. 1.1 - Prob. 127E Ch. 1.1 - Prob. 128E Ch. 1.1 - Prob. 129E Ch. 1.1 - Prob. 130E Ch. 1.1 - Prob. 131E Ch. 1.1 - Prob. 132E Ch. 1.1 - Prob. 133E Ch. 1.1 - Prob. 134E Ch. 1.1 - Prob. 135E Ch. 1.1 - Prob. 136E Ch. 1.1 - Prob. 137E Ch. 1.1 - Prob. 138E Ch. 1.1 - Prob. 139E Ch. 1.1 - Prob. 140E Ch. 1.1 - Prob. 141E Ch. 1.1 - Prob. 142E Ch. 1.1 - Prob. 143E Ch. 1.1 - Prob. 144E Ch. 1.1 - Prob. 145E Ch. 1.1 - Prob. 146E Ch. 1.1 - Prob. 147E Ch. 1.1 - Prob. 148E Ch. 1.2 - In Exercises 1-6, simplify the expression. 1....Ch. 1.2 - Prob. 2E Ch. 1.2 - Prob. 3E Ch. 1.2 - Prob. 4E Ch. 1.2 - Prob. 5E Ch. 1.2 - Prob. 6E Ch. 1.2 - Prob. 7E Ch. 1.2 - Prob. 8E Ch. 1.2 - Prob. 9E Ch. 1.2 - Prob. 10E Ch. 1.2 - Prob. 11E Ch. 1.2 - Prob. 12E Ch. 1.2 - Prob. 13E Ch. 1.2 - Prob. 14E Ch. 1.2 - Prob. 15E Ch. 1.2 - Prob. 16E Ch. 1.2 - Prob. 17E Ch. 1.2 - Prob. 18E Ch. 1.2 - Prob. 19E Ch. 1.2 - Prob. 20E Ch. 1.2 - Prob. 21E Ch. 1.2 - Prob. 22E Ch. 1.2 - Prob. 23E Ch. 1.2 - Prob. 24E Ch. 1.2 - Prob. 25E Ch. 1.2 - Prob. 26E Ch. 1.2 - Prob. 27E Ch. 1.2 - Prob. 28E Ch. 1.2 - Prob. 29E Ch. 1.2 - Prob. 30E Ch. 1.2 - Prob. 31E Ch. 1.2 - Prob. 32E Ch. 1.2 - Prob. 33E Ch. 1.2 - Prob. 34E Ch. 1.2 - Prob. 35E Ch. 1.2 - Prob. 36E Ch. 1.2 - Prob. 37E Ch. 1.2 - Prob. 38E Ch. 1.2 - Prob. 39E Ch. 1.2 - Prob. 40E Ch. 1.2 - Prob. 41E Ch. 1.2 - Prob. 42E Ch. 1.2 - Prob. 43E Ch. 1.2 - Prob. 44E Ch. 1.2 - Prob. 45E Ch. 1.2 - Prob. 46E Ch. 1.2 - Prob. 47E Ch. 1.2 - Prob. 48E Ch. 1.2 - Prob. 49E Ch. 1.2 - Prob. 50E Ch. 1.2 - Prob. 51E Ch. 1.2 - Prob. 52E Ch. 1.2 - Prob. 53E Ch. 1.2 - Prob. 54E Ch. 1.2 - Prob. 55E Ch. 1.2 - Prob. 56E Ch. 1.2 - Prob. 57E Ch. 1.2 - Prob. 58E Ch. 1.2 - Prob. 59E Ch. 1.2 - In Exercises 4562, find the values of x that...Ch. 1.2 - Prob. 61E Ch. 1.2 - Prob. 62E Ch. 1.2 - Prob. 63E Ch. 1.2 - Prob. 64E Ch. 1.2 - Prob. 65E Ch. 1.2 - Prob. 66E Ch. 1.2 - Prob. 67E Ch. 1.2 - Prob. 68E Ch. 1.2 - Prob. 69E Ch. 1.2 - Prob. 70E Ch. 1.2 - Prob. 71E Ch. 1.2 - Prob. 72E Ch. 1.2 - Prob. 73E Ch. 1.2 - Prob. 74E Ch. 1.2 - Prob. 75E Ch. 1.2 - Prob. 76E Ch. 1.2 - Prob. 77E Ch. 1.2 - Prob. 78E Ch. 1.2 - Prob. 79E Ch. 1.2 - Prob. 80E Ch. 1.2 - Prob. 81E Ch. 1.2 - Prob. 82E Ch. 1.2 - Prob. 83E Ch. 1.2 - Prob. 84E Ch. 1.2 - Prob. 85E Ch. 1.2 - Prob. 86E Ch. 1.2 - Prob. 87E Ch. 1.2 - Prob. 88E Ch. 1.2 - Prob. 89E Ch. 1.2 - Prob. 90E Ch. 1.2 - Prob. 91E Ch. 1.2 - Prob. 92E Ch. 1.2 - Prob. 93E Ch. 1.2 - Prob. 94E Ch. 1.2 - Prob. 95E Ch. 1.2 - Prob. 96E Ch. 1.2 - Prob. 97E Ch. 1.2 - Prob. 98E Ch. 1.2 - Prob. 99E Ch. 1.2 - Prob. 100E Ch. 1.2 - Prob. 101E Ch. 1.2 - Prob. 102E Ch. 1.3 - Prob. 1CQ Ch. 1.3 - Prob. 2CQ Ch. 1.3 - Prob. 1E Ch. 1.3 - Prob. 2E Ch. 1.3 - Prob. 3E Ch. 1.3 - Prob. 4E Ch. 1.3 - Prob. 5E Ch. 1.3 - Prob. 6E Ch. 1.3 - Prob. 7E Ch. 1.3 - Prob. 8E Ch. 1.3 - Prob. 9E Ch. 1.3 - Prob. 10E Ch. 1.3 - Prob. 11E Ch. 1.3 - Prob. 12E Ch. 1.3 - Prob. 13E Ch. 1.3 - Prob. 14E Ch. 1.3 - Prob. 15E Ch. 1.3 - Prob. 16E Ch. 1.3 - Prob. 17E Ch. 1.3 - Prob. 18E Ch. 1.3 - Prob. 19E Ch. 1.3 - Prob. 20E Ch. 1.3 - Prob. 21E Ch. 1.3 - Prob. 22E Ch. 1.3 - Prob. 23E Ch. 1.3 - Prob. 24E Ch. 1.3 - Find the coordinates of the points that are 10...Ch. 1.3 - Prob. 26E Ch. 1.3 - Prob. 27E Ch. 1.3 - Prob. 28E Ch. 1.3 - Prob. 29E Ch. 1.3 - Prob. 30E Ch. 1.3 - Prob. 31E Ch. 1.3 - Prob. 32E Ch. 1.3 - Prob. 33E Ch. 1.3 - Prob. 34E Ch. 1.3 - Prob. 35E Ch. 1.3 - Prob. 36E Ch. 1.3 - WILL YOU INCUR A DELIVERY CHARGE? A furniture...Ch. 1.3 - Prob. 38E Ch. 1.3 - MINIMIZING SHIPPING COSTS FOR A FLEET OF AUTOS...Ch. 1.3 - Prob. 40E Ch. 1.3 - Prob. 41E Ch. 1.3 - Prob. 42E Ch. 1.3 - Prob. 43E Ch. 1.3 - WATCHING A ROCKET LAUNCH At a distance of 4000 ft...Ch. 1.3 - Prob. 45E Ch. 1.3 - A SCAVENGER HUNT A tree is located 20 yd to the...Ch. 1.3 - Prob. 47E Ch. 1.3 - Prob. 48E Ch. 1.3 - Prob. 49E Ch. 1.3 - Prob. 50E Ch. 1.3 - Prob. 51E Ch. 1.3 - Prob. 52E Ch. 1.4 - Prob. 1CQ Ch. 1.4 - Prob. 2CQ Ch. 1.4 - Prob. 3CQ Ch. 1.4 - Prob. 4CQ Ch. 1.4 - Prob. 1E Ch. 1.4 - Prob. 2E Ch. 1.4 - Prob. 3E Ch. 1.4 - Prob. 4E Ch. 1.4 - Prob. 5E Ch. 1.4 - Prob. 6E Ch. 1.4 - Prob. 7E Ch. 1.4 - Prob. 8E Ch. 1.4 - Prob. 9E Ch. 1.4 - Prob. 10E Ch. 1.4 - In Exercises 11-16, find the slope of the line...Ch. 1.4 - Prob. 12E Ch. 1.4 - In Exercises 11-16, find the slope of the line...Ch. 1.4 - Prob. 14E Ch. 1.4 - Prob. 15E Ch. 1.4 - Prob. 16E Ch. 1.4 - Prob. 17E Ch. 1.4 - Prob. 18E Ch. 1.4 - Prob. 19E Ch. 1.4 - Prob. 20E Ch. 1.4 - Prob. 21E Ch. 1.4 - Prob. 22E Ch. 1.4 - Prob. 23E Ch. 1.4 - Prob. 24E Ch. 1.4 - Prob. 25E Ch. 1.4 - Prob. 26E Ch. 1.4 - Prob. 27E Ch. 1.4 - Prob. 28E Ch. 1.4 - Prob. 29E Ch. 1.4 - Prob. 30E Ch. 1.4 - Prob. 31E Ch. 1.4 - Prob. 32E Ch. 1.4 - Prob. 33E Ch. 1.4 - Prob. 34E Ch. 1.4 - Prob. 35E Ch. 1.4 - Prob. 36E Ch. 1.4 - Prob. 37E Ch. 1.4 - Prob. 38E Ch. 1.4 - Prob. 39E Ch. 1.4 - Prob. 40E Ch. 1.4 - Prob. 41E Ch. 1.4 - Prob. 42E Ch. 1.4 - Prob. 43E Ch. 1.4 - Prob. 44E Ch. 1.4 - Prob. 45E Ch. 1.4 - Find an equation of the line that passes through...Ch. 1.4 - Prob. 47E Ch. 1.4 - Prob. 48E Ch. 1.4 - Prob. 49E Ch. 1.4 - Prob. 50E Ch. 1.4 - Prob. 51E Ch. 1.4 - Prob. 52E Ch. 1.4 - Prob. 53E Ch. 1.4 - Prob. 54E Ch. 1.4 - Prob. 55E Ch. 1.4 - Prob. 56E Ch. 1.4 - Prob. 57E Ch. 1.4 - Prob. 58E Ch. 1.4 - Prob. 59E Ch. 1.4 - Prob. 60E Ch. 1.4 - Prob. 61E Ch. 1.4 - Prob. 62E Ch. 1.4 - Prob. 63E Ch. 1.4 - Prob. 64E Ch. 1.4 - Prob. 65E Ch. 1.4 - Prob. 66E Ch. 1.4 - Prob. 67E Ch. 1.4 - Prob. 68E Ch. 1.4 - Prob. 69E Ch. 1.4 - Prob. 70E Ch. 1.4 - Prob. 71E Ch. 1.4 - Prob. 72E Ch. 1.4 - Prob. 73E Ch. 1.4 - Prob. 74E Ch. 1.4 - Prob. 75E Ch. 1.4 - Prob. 76E Ch. 1.4 - Prob. 77E Ch. 1.4 - Prob. 78E Ch. 1.4 - SPENDING ON EQUIPMENT AND SOFTWARE As the United...Ch. 1.4 - SALES GROWTH Metro Department Stores annual sales...Ch. 1.4 - Prob. 81E Ch. 1.4 - Prob. 82E Ch. 1.4 - Prob. 83E Ch. 1.4 - Prob. 84E Ch. 1.4 - Prob. 85E Ch. 1.4 - Prob. 86E Ch. 1.4 - Prob. 87E Ch. 1.4 - Prob. 88E Ch. 1.4 - Prob. 89E Ch. 1.4 - Prob. 90E Ch. 1 - Prob. 1CRQ Ch. 1 - Prob. 2CRQ Ch. 1 - Prob. 3CRQ Ch. 1 - Prob. 4CRQ Ch. 1 - Prob. 5CRQ Ch. 1 - Prob. 6CRQ Ch. 1 - Prob. 7CRQ Ch. 1 - Prob. 8CRQ Ch. 1 - Prob. 1RE Ch. 1 - Prob. 2RE Ch. 1 - Prob. 3RE Ch. 1 - Prob. 4RE Ch. 1 - Prob. 5RE Ch. 1 - Prob. 6RE Ch. 1 - Prob. 7RE Ch. 1 - Prob. 8RE Ch. 1 - Prob. 9RE Ch. 1 - Prob. 10RE Ch. 1 - Prob. 11RE Ch. 1 - Prob. 12RE Ch. 1 - Prob. 13RE Ch. 1 - Prob. 14RE Ch. 1 - Prob. 15RE Ch. 1 - Prob. 16RE Ch. 1 - Prob. 17RE Ch. 1 - Prob. 18RE Ch. 1 - Prob. 19RE Ch. 1 - Prob. 20RE Ch. 1 - Prob. 21RE Ch. 1 - Prob. 22RE Ch. 1 - Prob. 23RE Ch. 1 - Prob. 24RE Ch. 1 - Prob. 25RE Ch. 1 - Prob. 26RE Ch. 1 - Prob. 27RE Ch. 1 - Prob. 28RE Ch. 1 - In Exercises 2932, find the value(s) of x that...Ch. 1 - Prob. 30RE Ch. 1 - Prob. 31RE Ch. 1 - Prob. 32RE Ch. 1 - Prob. 33RE Ch. 1 - Prob. 34RE Ch. 1 - Prob. 35RE Ch. 1 - Prob. 36RE Ch. 1 - Prob. 37RE Ch. 1 - Prob. 38RE Ch. 1 - Prob. 39RE Ch. 1 - Prob. 40RE Ch. 1 - Prob. 41RE Ch. 1 - Prob. 42RE Ch. 1 - Prob. 43RE Ch. 1 - Prob. 44RE Ch. 1 - Prob. 45RE Ch. 1 - Prob. 46RE Ch. 1 - Prob. 47RE Ch. 1 - Prob. 48RE Ch. 1 - Prob. 49RE Ch. 1 - Prob. 50RE Ch. 1 - Prob. 51RE Ch. 1 - Prob. 52RE Ch. 1 - Prob. 53RE Ch. 1 - Prob. 54RE Ch. 1 - Prob. 55RE Ch. 1 - Prob. 56RE Ch. 1 - Prob. 57RE Ch. 1 - Prob. 58RE Ch. 1 - Prob. 59RE Ch. 1 - Prob. 60RE Ch. 1 - Prob. 61RE Ch. 1 - Prob. 62RE Ch. 1 - Prob. 1BM Ch. 1 - Prob. 2BM Ch. 1 - Prob. 3BM Ch. 1 - Prob. 4BM Ch. 1 - Prob. 5BM Ch. 1 - Prob. 6BM Ch. 1 - Prob. 7BM Ch. 1 - Prob. 8BM Ch. 1 - Prob. 9BM Ch. 1 - Prob. 10BM

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The roots of the quadratic equation by using quadratic method.

Solution Summary: The author explains the quadratic equation's roots, which are 5 and 32.

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Chapter 1 Solutions