Solutions for Intermediate Algebra
Problem 1SR:
Find the absolute value. |28|Problem 2SR:
Find the absolute value.
2.
Problem 1DE:
Add using the number line. -5 + 9Problem 2DE:
Add using the number line. 4 + (-2)Problem 3DE:
Add using the number line. 3 + (-8)Problem 4DE:
Add using the number line.
4. -5 + 5
Problem 5DE:
Add. 7+(11)Problem 6DE:
Add. 8.9+(9.7)Problem 7DE:
Add.
7.
Problem 9DE:
Add. -7.4 + 0Problem 10DE:
Add. 4 + (-7)Problem 11DE:
Add.
11.
Problem 12DE:
Add. 38+(58)Problem 13DE:
Add.
13.
Problem 17DE:
17. Evaluate – a when a = 9.
Problem 18DE:
Evaluate a when a=35.Problem 19DE:
Evaluate (-a) when a = - 5.9.Problem 20DE:
Evaluate (- a) when a=23.Problem 21DE:
21. Change the sign.
a) 11
b) -17
c) 0
d) x
e) -x
Problem 22DE:
Subtract. 8(9)8(9)=8 9 =Problem 23DE:
Subtract. -10 - 6Problem 24DE:
Subtract. 5 - 8Problem 25DE:
Subtract. -23.7 5.9Problem 26DE:
Subtract.
26. -2 – (-5)
Problem 27DE:
Subtract. 23(56)Problem 28DE:
Subtract.
28. a) 17 – 23
b) -17 -23
c) -17 – (-23)
Problem 29DE:
29. Look for a pattern and complete.
Problem 30DE:
Multiply. 46Problem 31DE:
Multiply.
31. (3.5) (-8.1)
Problem 32DE:
Multiply.
32.
Problem 33DE:
Look for a pattern and complete. 4(5)=201(5)=3(5)=152(5)=2(5)=3(5)=1(5)=4(5)=0(5)=5(5)=Problem 34DE:
Multiply. -8(-9)Problem 35DE:
Multiply. (45)(23)Problem 36DE:
Multiply. (-4.7)(-9.1)Problem 37DE:
Divide. 2814Problem 38DE:
Divide. 125(5)Problem 39DE:
Divide.
39.
Problem 40DE:
Divide. 4.2(21)Problem 41DE:
Divide, if possible.
41.
Problem 42DE:
Divide, if possible. 09Problem 43DE:
Divide, if possible.
43.
Problem 44DE:
Divide, if possible. pp88Problem 45DE:
Find the reciprocal of each number. 38Problem 46DE:
Find the reciprocal of each number.
46.
Problem 47DE:
Find the reciprocal of each number. 18Problem 48DE:
Find the reciprocal of each number. -4.3Problem 49DE:
Complete the following table.Problem 1RC:
Complete each statement with either negative or positive. RC1. A negative number has a _____________...Problem 2RC:
Complete each statement with either negative or positive. RC2. The opposite of a negative number is...Problem 3RC:
Complete each statement with either “negative” or “positive.”
RC3. The reciprocal of a negative...Problem 5RC:
Complete each statement with either negative or positive. RC5. When two negative numbers are...Problem 6RC:
Complete each statement with either “negative” or “positive.”
RC6. The sum of 0 and a negative...Problem 7RC:
Complete each statement with either negative or positive. RC7. The sum of two negative numbers isProblem 1ES:
Add. 10+(18)Problem 2ES:
Add. 13+(12)Problem 3ES:
Add.
3.
Problem 4ES:
Add. 7+(5)Problem 5ES:
Add. 8+(8)Problem 6ES:
Add. 6+(6)Problem 7ES:
Add. 7+(11)Problem 8ES:
Add.
8.
Problem 9ES:
Add. 16+6Problem 10ES:
Add. 21+11Problem 11ES:
Add. 11. 26+0Problem 12ES:
Add. 12. 0+(32)Problem 13ES:
Add.
13.
Problem 14ES:
Add. 6.3+8.2Problem 15ES:
Add.
15.
Problem 16ES:
Add. 2.73+(8.46)Problem 17ES:
Add. 59+29Problem 18ES:
Add. 37+17Problem 19ES:
Add. 1112+(512)Problem 20ES:
Add.
20.
Problem 21ES:
Add.
21.
Problem 22ES:
Add. 34+18Problem 23ES:
Add. 25+34Problem 24ES:
Add. 56+(78)Problem 25ES:
Evaluate a for each of the following. a=4Problem 26ES:
Evaluate –a for each of the following.
26.
Problem 27ES:
Evaluate a for each of the following. a=3.7Problem 28ES:
Evaluate a for each of the following. a=0Problem 29ES:
Find the opposite (additive inverse).
29. 10
Problem 30ES:
Find the opposite (additive inverse). 23Problem 31ES:
Find the opposite (additive inverse). 0Problem 32ES:
Find the opposite (additive inverse).
32.
Problem 33ES:
Subtract. 3-7Problem 34ES:
Subtract. 813Problem 35ES:
Subtract. 59Problem 36ES:
Subtract.
36.
Problem 37ES:
Subtract.
37.
Problem 38ES:
Subtract. 23(23)Problem 39ES:
Subtract. 2323Problem 40ES:
Subtract. 23(23)Problem 41ES:
Subtract. 6(11)Problem 42ES:
Subtract. 7(12)Problem 43ES:
Subtract.
43.
Problem 44ES:
Subtract. 28(16)Problem 45ES:
Subtract. 15.827.4Problem 46ES:
Subtract. 17.234.9Problem 47ES:
Subtract.
47.
Problem 48ES:
Subtract.
48.
Problem 49ES:
Subtract. 214(74)Problem 50ES:
Subtract. 165(35)Problem 51ES:
Subtract.
51.
Problem 52ES:
Subtract.
52.
Problem 53ES:
Subtract.
53.
Problem 54ES:
Subtract. 2345Problem 55ES:
Subtract.
55.
Problem 56ES:
Subtract. 47(59)Problem 57ES:
Multiply. 3(7)Problem 58ES:
Multiply. 5(8)Problem 59ES:
Multiply. 24Problem 60ES:
Multiply. 59Problem 61ES:
Multiply. 8(3)Problem 62ES:
Multiply. 5(7)Problem 63ES:
Multiply. 716Problem 64ES:
Multiply.
64.
Problem 65ES:
Multiply. 6(5.7)Problem 66ES:
Multiply. 7(6.1)Problem 67ES:
Multiply. 3547Problem 68ES:
Multiply. 54113Problem 69ES:
Multiply. 3(23)Problem 70ES:
Multiply.
70.
Problem 71ES:
Multiply. 3(4)(5)Problem 72ES:
Multiply. 6(8)(9)Problem 73ES:
Multiply. (4.2)(6.3)Problem 74ES:
Multiply. (7.4)(9.6)Problem 75ES:
Multiply.
75.
Problem 76ES:
Multiply. 137(52)Problem 77ES:
Multiple.
77.
Problem 78ES:
Multiply. 45(45)(45)Problem 79ES:
Divide, if possible.
79.
Problem 80ES:
Divide, if possible. 162Problem 81ES:
Divide, if possible.
81.
Problem 82ES:
Divide, if possible. 637Problem 83ES:
Divide, if possible. 77(11)Problem 84ES:
Divide, if possible. 48(6)Problem 85ES:
Divide, if possible. 5.418Problem 86ES:
Divide, if possible.
86.
Problem 87ES:
Divide, if possible.
87.
Problem 88ES:
Divide, if possible. 920Problem 89ES:
Divide, if possible. 032Problem 90ES:
Divide, if possible.
90.
Problem 91ES:
Divide, if possible. 9yyProblem 92ES:
Divide, if possible. 2x2x2x2xProblem 93ES:
Find the reciprocal of each number. 34Problem 94ES:
Find the reciprocal of each number. 910Problem 95ES:
Find the reciprocal of each number.
95.
Problem 96ES:
Find the reciprocal of each number. 56Problem 97ES:
Find the reciprocal of each number. 25Problem 98ES:
Find the reciprocal of each number. 65Problem 99ES:
Find the reciprocal of each number. 0.2Problem 100ES:
Find the reciprocal of each number. 0.8Problem 101ES:
Find the reciprocal of each number. abProblem 102ES:
Find the reciprocal of each number. 18xProblem 108ES:
Divide. 39.9(13.3)Problem 110ES:
Divide. 110.
Problem 111ES:
Divide. 111. 480.4Problem 112ES:
Divide. 520(0.13)Problem 113ES:
Divide.
113.
Problem 114ES:
Divide.
114.
Problem 115ES:
Divide.
115.
Problem 116ES:
Divide. 116.
Problem 117ES:
Divide. 23(49)Problem 118ES:
Divide. 35(58)Problem 119ES:
Divide. 38(83)Problem 120ES:
Divide. 58(56)Problem 121ES:
Divide. 6.63.3Problem 122ES:
Divide. 44.1(6.3)Problem 123ES:
Divide. 1213Problem 124ES:
Divide. 1.920Problem 125ES:
Divide. 125. 48.630Problem 126ES:
Divide.
126.
Problem 127ES:
Divide. 127.
Problem 128ES:
Divide.
128.
Problem 129ES:
Complete the following table. NUMBER OPPOSITE(Additive Inverse) RECIPROCAL(Multiplicative Inverse)...Problem 130ES:
130. Complete the following table.
NUMBER OPPOSITE(Additive Inverse) RECIPROCAL(Multiplicative...Problem 131ES:
Given the numbers 3,12.47,13,26,,0,2332,711,4.57557555755557: [R.1a] Name the whole numbers.Problem 132ES:
Given the numbers [R.1a]
132. Name the natural numbers.
Problem 133ES:
Given the numbers [R.1a]
133. Name the integers.
Problem 134ES:
Given the numbers [R.1a]
134. Name the irrational numbers.
Problem 135ES:
Given the numbers [R.1a]
135. Name the rational numbers.
Problem 136ES:
Given the numbers [R.1a]
136. Name the real numbers.
Problem 137ES:
Use either or or to write a true sentence. [R.1b] -7 8Problem 138ES:
Use either or or to write a true sentence. [R.1b] 5 38Problem 140ES:
Use either or or to write a true sentence. [R.1b] 123 -10Problem 141ES:
The reciprocal of an electric resistance is called conductance. When two resistors are connected in...Problem 142ES:
What number can be added to 11.7 to obtain 734?Problem 143ES:
What number can be multiplied by -0.02 to obtain -625?Browse All Chapters of This Textbook
Chapter R - Review Of Basic AlgebraChapter R.1 - The Set Of Real NumbersChapter R.2 - Operations With Real NumbersChapter R.3 - Exponential Notation And Order Of OperationsChapter R.4 - Introduction To Algebraic ExpressionsChapter R.5 - Equivalent Algebraic ExpressionsChapter R.6 - Simplifying Algebraic ExpressionsChapter R.7 - Properties Of Exponents And Scientific NotationChapter 1 - Solving Linear Equations And InequalitiesChapter 1.1 - Solving Equations
Chapter 1.2 - Formulas And ApplicationsChapter 1.3 - Applications And Problem SolvingChapter 1.4 - Sets, Inequalities, And Interval NotationChapter 1.5 - Intersections, Unions, And Compound InequalitiesChapter 1.6 - Absolute-value Equations And InequalitiesChapter 2 - Graphs, Functions, And ApplicationsChapter 2.1 - Graphs Of EquationsChapter 2.2 - Functions And GraphsChapter 2.3 - Finding Domain And RangeChapter 2.4 - Linear Functions: Graphs And SlopeChapter 2.5 - More On Graphing Linear EquationsChapter 2.6 - Finding Equations Of Lines; ApplicationsChapter 3 - Systems Of EquationsChapter 3.1 - Systems Of Equations In Two VariablesChapter 3.2 - Solving By SubstitutionChapter 3.3 - Solving By EliminationChapter 3.4 - Solving Applied Problems: Two EquationsChapter 3.5 - Systems Of Equations In Three VariablesChapter 3.6 - Solving Applied Problems: Three EquationsChapter 3.7 - Systems Of Inequalities In Two VariablesChapter 4 - Polynomials And Polynomial FunctionsChapter 4.1 - Introduction To Polynomials And Polynomial FunctionsChapter 4.2 - Multiplication Of PolynomialsChapter 4.3 - Introduction To FactoringChapter 4.4 - Factoring Trinomials: X2 + Bx + CChapter 4.5 - Factoring Trinomials: Ax2 + Bx + C, A ≠ 1Chapter 4.6 - Special FactoringChapter 4.7 - Factoring: A General StrategyChapter 4.8 - Applications Of Polynomial Equations And FunctionsChapter 5 - Rational Expressions, Equations, And FunctionsChapter 5.1 - Rational Expressions And Functions: Multiplying, Dividing, And SimplifyingChapter 5.2 - Lcms, Lcds, Addition, And SubtractionChapter 5.3 - Division Of PolynomialsChapter 5.4 - Complex Rational ExpressionsChapter 5.5 - Solving Rational EquationsChapter 5.6 - Applications And ProportionsChapter 5.7 - Formulas And ApplicationsChapter 5.8 - Variation And ApplicationsChapter 6 - Radical Expressions, Equations, And FunctionsChapter 6.1 - Radical Expressions And FunctionsChapter 6.2 - Rational Numbers As ExponentsChapter 6.3 - Simplifying Radical ExpressionsChapter 6.4 - Addition, Subtraction, And More MultiplicationChapter 6.5 - More On Division Of Radical ExpressionsChapter 6.6 - Solving Radical EquationsChapter 6.7 - Applications Involving Powers And RootsChapter 6.8 - The Complex NumbersChapter 7 - Quadratic Equations And FunctionsChapter 7.1 - The Basics Of Solving Quadratic EquationsChapter 7.2 - The Quadratic FormulaChapter 7.3 - Applications Involving Quadratic EquationsChapter 7.4 - More On Quadratic EquationsChapter 7.5 - Graphing F(x) = A(x − H)2 + KChapter 7.6 - Graphing F(x) = Ax2 + Bx + CChapter 7.7 - Mathematical Modeling With Quadratic FunctionsChapter 7.8 - Polynomial Inequalities And Rational InequalitiesChapter 8 - Exponential Functions And Logarithmic FunctionsChapter 8.1 - Exponential FunctionsChapter 8.2 - Composite Functions And Inverse FunctionsChapter 8.3 - Logarithmic FunctionsChapter 8.4 - Properties Of Logarithmic FunctionsChapter 8.5 - Natural Logarithmic FunctionsChapter 8.6 - Solving Exponential Equations And Logarithmic EquationsChapter 8.7 - Mathematical Modeling With Exponential Functions And Logarithmic FunctionsChapter 9 - Conic SectionsChapter 9.1 - Parabolas And CirclesChapter 9.2 - EllipsesChapter 9.3 - HyperbolasChapter 9.4 - Nonlinear Systems Of EquationsChapter A - Fraction NotationChapter B - Determinants And Cramer’s RuleChapter C - Elimination Using MatricesChapter D - The Algebra Of Functions
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