COLLEGE ALGEBRA6th EditionDugopolski Publisher: PEARSONISBN: 9780321920898
COLLEGE ALGEBRA
Solutions for COLLEGE ALGEBRA
Problem 4FT:
True or False? Explain. The equation (x–3)(2x + 5) = 0 is equivalent to x = 3 or x = 5 2 .Problem 6FT:
True or False? Explain.
6. If , then
Problem 7FT:
True or False? Explain. If b = 0, then ax2 + bx + c = 0 cannot be solved by the quadratic formula.Problem 10FT:
True or False? Explain. A quadratic equation with real coefficients might have only one real...Problem 1E:
Fill in the blank
1. An equation of the form ax2 + bx + c = 0 where a, b, and c are real numbers...Problem 2E:
Fill in the blank.
2. The equation ax2 + bx + c = 0 can be solved by using the _______ formula.
Problem 5E:
Solve each equation by factoring.
5.
Problem 8E:
Solve each equation by factoring. b 2 − 4 b = 12Problem 9E:
Solve each equation by factoring. 2x25x3=0Problem 12E:
Solve each equation by factoring.
12.
Problem 13E:
Solve each equation by factoring.
13.
Problem 15E:
Use the square root property to find all real or imaginary solutions to each equation. x 2 − 5 = 0Problem 16E:
Use the square root property to find all real or imaginary solutions to each equation.
16.
Problem 17E:
Use the square root property to find all real or imaginary solutions to each equation. 3 x 2 + 2 = 0Problem 18E:
Use the square root property to find all real or imaginary solutions to each equation. 2 x 2 + 16 =...Problem 19E:
Use the square root property to find all real or imaginary solutions to each equation. ( x − 3 ) 2 =...Problem 20E:
Use the square root property to find all real or imaginary solutions to each equation. ( x + 1 ) 2 =...Problem 21E:
Use the square root property to find all real or imaginary solutions to each equation. ( 3 x − 1 ) 2...Problem 22E:
Use the square root property to find all real or imaginary solutions to each equation. ( 5 x + 2 ) 2...Problem 23E:
Use the square root property to find all real or imaginary solutions to each equation. ( x − 1 2 ) 2...Problem 24E:
Use the square root property to find all real or imaginary solutions to each equation. ( 3 x − 1 ) 2...Problem 25E:
Use the square root property to find all real or imaginary solutions to each equation. ( x + 2 ) 2 =...Problem 26E:
Use the square root property to find all real or imaginary solutions to each equation.
26.
Problem 35E:
Find the real or imaginary solutions by completing the square. See the strategy for completing the...Problem 37E:
Find the real or imaginary solutions by completing the square. See the strategy for completing the...Problem 39E:
Find the real or imaginary solutions by completing the square. See the strategy for completing the...Problem 43E:
Find the real or imaginary solutions by completing the square. See the strategy for completing the...Problem 45E:
Find the real or imaginary solutions to each equation by using the quadratic formula. x 2 + 3 x − 4...Problem 46E:
Find the real or imaginary solutions to each equation by using the quadratic formula. x 2 + 8 x + 12...Problem 47E:
Find the real or imaginary solutions to each equation by using the quadratic formula.
47.
Problem 48E:
Find the real or imaginary solutions to each equation by using the quadratic formula. 2 x 2 + 3 x −...Problem 50E:
Find the real or imaginary solutions to each equation by using the quadratic formula. 16 x 2 − 24 x...Problem 51E:
Find the real or imaginary solutions to each equation by using the quadratic formula. 2 x 2 − 3 = 0Problem 52E:
Find the real or imaginary solutions to each equation by using the quadratic formula. − 2 x 2 + 5 =...Problem 53E:
Find the real or imaginary solutions to each equation by using the quadratic formula.
53.
Problem 54E:
Find the real or imaginary solutions to each equation by using the quadratic formula. x 2 = 6 x − 13Problem 55E:
Find the real or imaginary solutions to each equation by using the quadratic formula. x 2 − 2 x + 4...Problem 58E:
Find the real or imaginary solutions to each equation by using the quadratic formula. 12 x − 5 = 9 x...Problem 59E:
Find the real or imaginary solutions to each equation by using the quadratic formula.
59.
Problem 71E:
Find the solutions to each equation by reading the accompanying graph. 6 x 2 + x − 2 = 0Problem 72E:
Find the solutions to each equation by reading the accompanying graph.
72. –2x2 – 2x + 12 = 0
Problem 73E:
Find the solutions to each equation by reading the accompanying graph. –0.5x2 + x + 7.5 = 0Problem 74E:
Find the solutions to each equation by reading the accompanying graph. 0.5x2 – 2.5x + 2 = 0Problem 81E:
Use the method of your choice to solve each equation. See the strategy for solving ax2 + bx + c = 0...Problem 83E:
Use the method of your choice to solve each equation. See the strategy for solving ax2 + bx + c = 0...Problem 87E:
Use the method of your choice to solve each equation. See the strategy for solving ax2 + bx + c =...Problem 93E:
Use the method of your choice to solve each equation. See the strategy for solving ax2 + bx + c = 0...Problem 94E:
Use the method of your choice to solve each equation. See the strategy for solving ax2 + bx + c = 0...Problem 104E:
Use the methods for solving quadratic equations to solve each formula for the indicated variable. 1...Problem 107E:
Find an exact solution to each problem. If the solution is irrational, then find an approximate...Problem 112E:
Find an exact solution to each problem. If the solution is irrational, then find an approximate...Problem 115E:
Find an exact solution to each problem. If the solution is irrational, then find an approximate...Problem 121E:
Find an exact solution to each problem. If the solution is irrational, then find an approximate...Problem 124E:
Find an exact solution to each problem. If the solution is irrational, then find an approximate...Problem 132E:
132. Use the linear regression feature of a graphing calculator to find the equation of the...Problem 133E:
133. As the Crow Flies In Perfect City the avenues run east and west, the streets run north and...Problem 134E:
134. Adjusting the Antifreeze A mechanic has a 20-quart radiator filled with pure antifreeze. She...Problem 1PQ:
1. Solve x2 = 2.
Problem 2PQ:
Solve x2 – 2x = 48 by factoring.Problem 3PQ:
3. Solve x2 – 4x = 1 by completing the square.
Problem 4PQ:
Solve 2x2 – 4x = 3 by the quadratic formula.Browse All Chapters of This Textbook
Chapter P - PrerequisitesChapter P.1 - Real Numbers And Their PropertiesChapter P.2 - Integral Exponents And Scientific NotationChapter P.3 - Rational Exponents And RadicalsChapter P.4 - PolynomialsChapter P.5 - Factoring PolynomialsChapter P.6 - Rational ExpressionsChapter P.7 - Complex NumbersChapter 1 - Equations, Inequalities, And ModelingChapter 1.1 - Linear, Rational, And Absolute Value Equations
Chapter 1.2 - Constructing Models To Solve ProblemsChapter 1.3 - Equations And Graphs In Two VariablesChapter 1.4 - Linear Equations In Two VariablesChapter 1.5 - Quadratic EquationsChapter 1.6 - Miscellaneous EquationsChapter 1.7 - Linear And Absolute Value InequalitiesChapter 2 - Functions And GraphsChapter 2.1 - FunctionsChapter 2.2 - Graphs Of Relations And FunctionsChapter 2.3 - Families Of Functions, Transformations, And SymmetryChapter 2.4 - Operations With FunctionsChapter 2.5 - Inverse FunctionsChapter 2.6 - Constructing Functions With VariationChapter 3 - Polynomial And Rational FunctionsChapter 3.1 - Quadratic Functions And InequalitiesChapter 3.2 - Zeros Of Polynomial FunctionsChapter 3.3 - The Theory Of EquationsChapter 3.4 - Graphs Of Polynomial FunctionsChapter 3.5 - Rational Functions And InequalitiesChapter 4 - Exponential And Logarithmic FunctionsChapter 4.1 - Exponential Functions And Their ApplicationsChapter 4.2 - Logarithmic Functions And Their ApplicationsChapter 4.3 - Rules Of LogarithmsChapter 4.4 - More Equations And ApplicationsChapter 5 - Systems Of Equations And InequalitiesChapter 5.1 - Systems Of Linear Equations In Two VariablesChapter 5.2 - Systems Of Linear Equations In Three VariablesChapter 5.3 - Nonlinear Systems Of EquationsChapter 5.4 - Partial FractionsChapter 5.5 - Inequalities And Systems Of Inequalities In Two VariablesChapter 5.6 - The Linear Programming ModelChapter 6 - Matrices And DeterminantsChapter 6.1 - Solving Linear Systems Using MatricesChapter 6.2 - Operations With MatricesChapter 6.3 - Multiplication Of MatricesChapter 6.4 - Inverses Of MatricesChapter 6.5 - Solution Of Linear Systems In Two Variables Using DeterminantsChapter 6.6 - Solution Of Linear Systems In Three Variables Using DeterminantsChapter 7 - The Conic SectionsChapter 7.1 - The ParabolaChapter 7.2 - The Ellipse And The CircleChapter 7.3 - The HyperbolaChapter 8 - Sequences, Series, And ProbabilityChapter 8.1 - Sequences And Arithmetic SequencesChapter 8.2 - Series And Arithmetic SeriesChapter 8.3 - Geometric Sequences And SeriesChapter 8.4 - Counting And PermutationsChapter 8.5 - Combinations, Labeling, And The Binomial TheoremChapter 8.6 - ProbabilityChapter 8.7 - Mathematical InductionChapter A - Scatter Diagrams And Curve Fitting
Sample Solutions for this Textbook
We offer sample solutions for COLLEGE ALGEBRA homework problems. See examples below:
Chapter P, Problem 1REGiven: 3x−2=0 Calculation: Consider the equation, 3x−2=0 Add 2 to both the sides, 3x−2+2=0+23x=2...Chapter 2, Problem 1REChapter 3, Problem 1REChapter 4, Problem 1REChapter 5, Problem 1REGiven: The matrices A=[2−3−24],B=[3712]. Formula Used: Two matrices can only be subtracted if they...Chapter 7, Problem 1REChapter 8, Problem 1RE
More Editions of This Book
Corresponding editions of this textbook are also available below:
College Algebra
4th Edition
ISBN: 9780321356918
College Algebra Instructor's Edition All Answers Included
3rd Edition
ISBN: 9780201786682
College Algebra
5th Edition
ISBN: 9780321624345
College Algebra: Books A La Carte
5th Edition
ISBN: 9780321655431
Mathxl Tutorials On Cd For College Algebra
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ISBN: 9780321655387
College Algebra, Books A La Carte Edition (5th Edition)
5th Edition
ISBN: 9780321655424
College Algebra And Trigonometry: A Unit Circle Approach
5th Edition
ISBN: 9780321644770
College Algebra
5th Edition
ISBN: 9780321644749
Student's Solutions Manual for College Algebra
6th Edition
ISBN: 9780321916686
College Algebra, Books a la Carte Edition, plus NEW MyLab Math- Access Card Package (6th Edition)
6th Edition
ISBN: 9780321999566
College Algebra, Books a la Carte Edition (6th Edition)
6th Edition
ISBN: 9780321919809
EBK COLLEGE ALGEBRA
6th Edition
ISBN: 9780100802797
Video Notebook For College Algebra
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ISBN: 9780321952820
College Algebra, Global Edition, 6 Ed
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ISBN: 9781292082769
College Algebra Plus New Mymathlab With Pearson Etext Access Card
6th Edition
ISBN: 9780321919748
COLLEGE ALGEBRA >ANNOT.INSTRS.ED<
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College Algebra (6th Edition)
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ISBN: 9780321916600
College Algebra (6th Edition)
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ISBN: 9780321916679
EBK COLLEGE ALGEBRA
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ISBN: 8220100802799
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