## Solutions for Elementary and Intermediate Algebra: Concepts and Applications (7th Edition)

Problem 1YT:

Your Turn
1. Evaluate m — n for m = 100 and n = 64.
Problem 2YT:

Your Turn
2. Using the formula given in Example 2 find the area of a triangle when bis 30 in...Problem 3YT:

Your Turn Translate to an algebraic expression: Twenty less than the number of students registered...Problem 6YT:

Your Turn Translate to an equation: Valley College has 13 science instructors. There are 5 more...Problem 7YT:

Your Turn
7. Suppose that an online music store charges $2 58 for 2 songs, $3.87 for 3 songs, and...Problem 1CYU:

Check Your Understanding
A student’s score on a test is the difference of 100 and x, where x is the...Problem 2CYU:

Check Your Understanding
A student’s score on a test is the difference of 100 and x, where x is the...Problem 1ES:

Choose from the following list of words to complete each statement Not every word will be...Problem 2ES:

Choose from the following list of words to complete each statement. Not every word will be used....Problem 11ES:

Classify each of the following as either an expression or an equation.
11. 2x – 3y = 8
Problem 13ES:

Evaluate.
13. 5a, for a = 9
Problem 14ES:

Evaluate.
14. 11y, for y = 7
Problem 15ES:

Evaluate.
15. 12 – r, for r = 4
Problem 16ES:

Evaluate. t + 8, for t = 2Problem 17ES:

Evaluate. ab, for a = 45 and b = 9Problem 18ES:

Evaluate.
18. for c = 14 and d = 13
Problem 19ES:

Evaluate. x+y4, for x = 2 and y = 14Problem 21ES:

Evaluate.
21. , for p = 55 and q = 20
Problem 22ES:

Evaluate. 9mq, for m = 6 and q = 18Problem 23ES:

Evaluate. 5zy, for z = 9 and y = 15Problem 25ES:

25. Hockey. The area of a rectangle with base b and height h is bh. A regulation hockey goal is 6 ft...Problem 26ES:

Orbit Time. A communications satellite orbiting 300 mi above the earth travels about 27,000 mi in...Problem 27ES:

Zoology. A great white shark has triangular teeth. Each tooth measures about 5 cm across the base...Problem 28ES:

Substitute to find the value of each expression.
28. Work Time. Justin takes three times as long to...Problem 29ES:

Substitute to find the value of each expression. Area of a Parallelogram. The area of a...Problem 30ES:

Substitute to find the value of each expression. Womens Softball. A softball player s batting...Problem 33ES:

Translate to an algebraic expression. 6 times bProblem 35ES:

Translate to an algebraic expression. 9 less than cProblem 36ES:

Translate to an algebraic expression. 4 less than dProblem 38ES:

Translate to an algebraic expression. 11 increased by zProblem 3ES:

Choose from the following list of words to complete each statement Not every word will be used....Problem 41ES:

Translate to an algebraic expression.
41. x less than y
Problem 43ES:

Translate to an algebraic expression.
43. x divided by w
Problem 46ES:

Translate to an algebraic expression. The sum of d and fProblem 4ES:

Choose from the following list of words to complete each statement. Not every word will be...Problem 52ES:

B. Translating to Algebraic Expressions Translate to an algebraic expression. One third of the sum...Problem 53ES:

B. Translating to Algebraic Expressions
Translate to an algebraic expression.
53. 64% of the women...Problem 54ES:

Translate to an algebraic expression. 38% of a numberProblem 55ES:

Translate each problem to an equation. Do not solve.
55. What number added to 73 is 201?
Problem 56ES:

Translate each problem to an equation. Do not solve.
56. Seven times what number is 1596?
Problem 57ES:

Translate each problem to an equation. Do not solve.
57. When 42 is multiplied by a number, the...Problem 58ES:

Translate each problem to an equation. Do not solve. When 345 is added to a number, the result is...Problem 59ES:

Translate each problem to an equation. Do not solve. Chess. A chess board has 64 squares. If pieces...Problem 60ES:

Translate each problem to an equation. Do not solve. Hours Worked. A carpenter charges $35 per hour....Problem 61ES:

C. Translating to Equations
Translate each problem to an equation. Do not solve.
61. Recycling....Problem 62ES:

C. Translating to Equations Translate each problem to an equation. Do not solve. Travel to Work. For...Problem 63ES:

C. Translating to Equations
Translate each problem to an equation. Do not solve.
63. Nutrition. The...Problem 64ES:

C. Translating to Equations
Translate each problem to an equation. Do not solve.
64. Tuition. The...Problem 65ES:

C. Translating to Equations
Translate each problem to an equation. Do not solve.
65. Postage Rates....Problem 66ES:

C. Translating to Equations Translate each problem to an equation. Do not solve. Foreign Currency....Problem 67ES:

C. Translating to Equations Translate each problem to an equation. Do not solve. Number of Drivers....Problem 68ES:

C. Translating to Equations Translate each problem to an equation. Do not solve. Meteorology. The...Problem 69ES:

B., C. Translating to Algebraic Expressions and Equations
In each of Exercises 69–76, match the...Problem 70ES:

B., C. Translating to Algebraic Expressions and Equations In each of Exercises 6976, match the...Problem 71ES:

B., C. Translating to Algebraic Expressions and Equations
In each of Exercises 69–76, match the...Problem 72ES:

B., C. Translating to Algebraic Expressions and Equations
In each of Exercises 69–76, match the...Problem 73ES:

B., C. Translating to Algebraic Expressions and Equations
In each of Exercises 69–76, match the...Problem 74ES:

B., C. Translating to Algebraic Expressions and Equations
In each of Exercises 69–76, match the...Problem 75ES:

B., C. Translating to Algebraic Expressions and Equations In each of Exercises 6976, match the...Problem 76ES:

B., C. Translating to Algebraic Expressions and Equations
In each of Exercises 69–76, match the...Problem 77ES:

77. What is the difference between a variable, a variable expression, and an equation?
Problem 78ES:

What does it mean to evaluate an algebraic expression?Problem 79ES:

Synthesis
To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 80ES:

Synthesis
To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 81ES:

Synthesis
To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 83ES:

Synthesis
To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 84ES:

Synthesis To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 85ES:

Synthesis
To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 86ES:

Synthesis
To the student and the instructor: Synthesis exercises are designed to challenge students...Problem 87ES:

Answer each question with an algebraic expression. If w + 3 is a whole number, what is the next...Problem 88ES:

Answer each question with an algebraic expression.
88. If d + 2 is an odd number what is the...Problem 89ES:

Translate to an algebraic expression. The perimeter of a rectangle with length I and width w...Problem 90ES:

Translate to an algebraic expression. The perimeter of a square with side s (perimeter means...Problem 91ES:

Translate to an algebraic expression. Ellies race time, assuming that she took 5 sec longer than...Problem 92ES:

Translate to an algebraic expression.
92. Kade’s age 7 years from now if he is 2 years older than...# Browse All Chapters of This Textbook

Chapter 1 - Introduction To Algebraic ExpressionsChapter 1.1 - Introduction To AlgebraChapter 1.2 - The Commutative, Associative, And Distributive LawsChapter 1.3 - Fraction NotationChapter 1.4 - Positive And Negative Real NumbersChapter 1.5 - Addition Of Real NumbersChapter 1.6 - Subtraction Of Real NumbersChapter 1.7 - Multiplication And Division Of Real NumbersChapter 1.8 - Exponential Notation And Order Of OperationsChapter 2 - Equations, Inequalities, And Problem Solving

Chapter 2.1 - Solving EquationsChapter 2.2 - Using The Principles TogetherChapter 2.3 - FormulasChapter 2.4 - Applications With PercentChapter 2.5 - Problem SolvingChapter 2.6 - Solving InequalitiesChapter 2.7 - Solving Applications With InequalitiesChapter 3 - Introduction To GraphingChapter 3.1 - Reading Graphs, Plotting Points, And Scaling GraphsChapter 3.2 - Graphing Linear EquationsChapter 3.3 - Graphing And InterceptsChapter 3.4 - RatesChapter 3.5 - SlopeChapter 3.6 - Slope–intercept FormChapter 3.7 - Point–slope Form And Equations Of LinesChapter 4 - PolynomialsChapter 4.1 - Exponents And Their PropertiesChapter 4.2 - Negative Exponents And Scientific NotationChapter 4.3 - PolynomialsChapter 4.4 - Addition And Subtraction Of PolynomialsChapter 4.5 - Multiplication Of PolynomialsChapter 4.6 - Special ProductsChapter 4.7 - Polynomials In Several VariablesChapter 4.8 - Division Of PolynomialsChapter 5 - Polynomials And FactoringChapter 5.1 - Introduction To FactoringChapter 5.2 - Factoring Trinomials Of The Type X2 + B X + CChapter 5.3 - Factoring Trinomials Of The Type Ax2 + B X + CChapter 5.4 - Factoring Perfect-square Trinomials And Differences Of SquaresChapter 5.5 - Factoring Sums Or Differences Of CubesChapter 5.6 - Factoring: A General StrategyChapter 5.7 - Solving Quadratic Equations By FactoringChapter 5.8 - Solving ApplicationsChapter 6 - Rational Expressions And EquationsChapter 6.1 - Rational ExpressionsChapter 6.2 - Multiplication And DivisionChapter 6.3 - Addition, Subtraction, And Least Common DenominatorsChapter 6.4 - Addition And Subtraction With Unlike DenominatorsChapter 6.5 - Complex Rational ExpressionsChapter 6.6 - Rational EquationsChapter 6.7 - Applications Using Rational Equations And ProportionsChapter 7 - Functions And GraphsChapter 7.1 - Introduction To FunctionsChapter 7.2 - Domain And RangeChapter 7.3 - Graphs Of FunctionsChapter 7.4 - The Algebra Of FunctionsChapter 7.5 - Formulas, Applications, And VariationChapter 8 - Systems Of Linear Equations And Problem SolvingChapter 8.1 - Systems Of Equations In Two VariablesChapter 8.2 - Solving By Substitution Or EliminationChapter 8.3 - Solving Applications: Systems Of Two EquationsChapter 8.4 - Systems Of Equations In Three VariablesChapter 8.5 - Solving Applications: Systems Of Three EquationsChapter 8.6 - Elimination Using MatricesChapter 8.7 - Determinants And Cramer’s RuleChapter 8.8 - Business And Economics ApplicationsChapter 9 - Inequalities And Problem SolvingChapter 9.1 - Inequalities And ApplicationsChapter 9.2 - Intersections, Unions, And Compound InequalitiesChapter 9.3 - Absolute-value Equations And InequalitiesChapter 9.4 - Inequalities In Two VariablesChapter 9.5 - Applications Using Linear ProgrammingChapter 10 - Exponents And RadicalsChapter 10.1 - Radical Expressions And FunctionsChapter 10.2 - Rational Numbers As ExponentsChapter 10.3 - Multiplying Radical ExpressionsChapter 10.4 - Dividing Radical ExpressionsChapter 10.5 - Expressions Containing Several Radical TermsChapter 10.6 - Solving Radical EquationsChapter 10.7 - The Distance Formula, The Midpoint Formula, And Other ApplicationsChapter 10.8 - The Complex NumbersChapter 11 - Quadratic Functions And EquationsChapter 11.1 - Quadratic EquationsChapter 11.2 - The Quadratic FormulaChapter 11.3 - Studying Solutions Of Quadratic EquationsChapter 11.4 - Applications Involving Quadratic EquationsChapter 11.5 - Equations Reducible To QuadraticChapter 11.6 - Quadratic Functions And Their GraphsChapter 11.7 - More About Graphing Quadratic FunctionsChapter 11.8 - Problem Solving And Quadratic FunctionsChapter 11.9 - Polynomial Inequalities And Rational InequalitiesChapter 12 - Exponential Functions And Logarithmic FunctionsChapter 12.1 - Composite Functions And Inverse FunctionsChapter 12.2 - Exponential FunctionsChapter 12.3 - Logarithmic FunctionsChapter 12.4 - Properties Of Logarithmic FunctionsChapter 12.5 - Common Logarithms And Natural LogarithmsChapter 12.6 - Solving Exponential Equations And Logarithmic EquationsChapter 12.7 - Applications Of Exponential Functions And Logarithmic FunctionsChapter 13 - Conic SectionsChapter 13.1 - Conic Sections: Parabolas And CirclesChapter 13.2 - Conic Sections: EllipsesChapter 13.3 - Conic Sections: HyperbolasChapter 13.4 - Nonlinear Systems Of EquationsChapter 14 - Sequences, Series, And The Binomial TheoremChapter 14.1 - Sequences And SeriesChapter 14.2 - Arithmetic Sequences And SeriesChapter 14.3 - Geometric Sequences And SeriesChapter 14.4 - The Binomial TheoremChapter R.1 - Introduction To Algebraic ExpressionsChapter R.2 - Equations, Inequalities, And Problem SolvingChapter R.3 - Introduction To GraphingChapter R.4 - PolynomialsChapter R.5 - Polynomials And FactoringChapter R.6 - Rational Expressions And EquationsChapter A - Mean, Median, And ModeChapter B - SetsChapter C - Synthetic Division And The Remainder Theorem

# Sample Solutions for this Textbook

We offer sample solutions for Elementary and Intermediate Algebra: Concepts and Applications (7th Edition) homework problems. See examples below:

Given Information: The phrase is ‘Twice the difference of a number and 11’. The options are...Chapter 2, Problem 1AChapter 3, Problem 1RVSGiven Information: The provided option is shown below, A. 9−4x2, B. x2−(x−6)2, C. (x+3)(x−3), D....Given information: The degree measures of the angles of a triangle are three consecutive integers....Chapter 6, Problem 1RVSGiven information: The function is given as f(x)=x and The options given for graph are as follows,...Chapter 8, Problem 1RVSChapter 9, Problem 1RVS

Given Information: The provided function is f(x)=2x−5. The set of options for correct solution is,...Given Information: The function, f(x)=3x2 The set of options for correct solution is, Determine the...Given Information: The Function is f(x)=2x−3. Consider the function: f(x)=2x−3 Assume, f(x)=y Then,...Given information: The given equation is, (x−1)2+(y+3)2=9 The provided options, Consider the...Given Information: The provided equation is xy=2. The given options are, Consider the equation xy=2....Given Information: The provided rational expression is x−72x2+4x. Formula used: There are following...Given Information: The given data is 13, 19, 6, 11, 28 and 37. Formula used: Mean: The mean of a set...Given Information: The statement is “{8,9,10}⊆{8,9}”. Consider the statement. {8,9,10}⊆{8,9} Suppose...Given Information: The expression is (x3+2x2−17x+6)÷(x−3). Calculation: The constant term of the...

# More Editions of This Book

Corresponding editions of this textbook are also available below:

Elementary And Intermediate Algebra For Portland State University

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