Int-Alg Answers to Selected Exercises
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Solutions B Answers to Selected Exercises
Section 1.1 Linear Models
Exercises Problem Set 1.1
Warm Up
1.
3.
Skills Practice
9.
Applications
11.
13.
Section 1.2 Graphs and Equations
Exercises Problem Set 1.2
Warm Up
9.
Skills Practice
Applications
25.
27.
29.
33.
Exercises Problem Set 1.3
Warm Up
1.
Skills Practice
9.
11.
Applications
21.
23.
25.
Exercises Problem Set 1.4
Warm Up
Skills Practice
9.
17.
Applications
21.
25.
27.
29.
Section 1.5 Equations of Lines
Exercises Problem Set 1.5
Warm Up
Skills Practice
Applications
21.
27.
29.
Section 1.6 Chapter Summary and Review
Exercises Chapter 1 Review Problems
1.
2.
3.
10.
11.
20.
27.
30.
33.
34.
35.
Chapter 2 Applications of Linear Models
Section 2.1 Linear Regression
Exercises Problem Set 2.1
Warm Up
1.
2.
Skills Practice
5.
Applications
13.
15.
17.
19.
Section 2.2 Linear Systems
Exercises Problem Set 2.2
Warm Up
1.
3.
Skills Practice
Applications
13.
15.
17.
19.
Section 2.3 Algebraic Solution of Systems
Exercises Problem Set 2.3
Warm Up
1.
Skills Practice
Applications
11.
13.
15.
17.
19.
Section 2.4 Gaussian Reduction
Exercises Problem Set 2.4
Warm Up
3.
Skills Practice
Applications
Section 2.5 Linear Inequalities in Two Variables
Exercises Problem Set 2.5
Warm Up
1.
3.
Skills Practice
Applications
Section 2.6 Chapter Summary and Review
Exercises Chapter 2 Review Problems
1.
2.
3.
4.
39.
40.
Chapter 3 Quadratic Models
Section 3.1 Extraction of Roots
Exercises Problem Set 3.1
Warm Up
1.
3.
4.
5.
Skills Practice
Applications
25.
27.
29.
Section 3.2 Intercepts, Solutions, and Factors
Exercises Problem Set 3.2
Warm Up
5.
Skills Practice
27.
Applications
29.
31.
33.
34.
Section 3.3 Graphing Parabolas
Exercises Problem Set 3.3
Warm Up
Skills Practice
9.
Applications
19.
Section 3.4 Completing the Square
Exercises Problem Set 3.4
Warm Up
3.
Skills Practice
Applications
21.
23.
25.
Section 3.5 Chapter 3 Summary and Review
Exercises Chapter 3 Review Problems
27.
28.
29.
30.
31.
32.
33.
34.
Chapter 4 Applications of Quadratic Models
Section 4.1 Quadratic Formula
Exercises Problem Set 4.1
Warm Up
3.
Skills Practice
11.
13.
15.
Applications
23.
25.
27.
Exercises Problem Set 4.2
Warm Up
1.
3.
Skills Practice
11.
Applications
17.
19.
21.
23.
25.
Section 4.3 Curve Fitting
Exercises Problem Set 4.3
Warm Up
3.
Skills Practice
13.
Applications
15.
17.
19.
21.
Section 4.4 Quadratic Inequalities
Exercises Problem Set 4.4
Warm Up
Skills Practice
7.
Applications
27.
33.
Section 4.5 Chapter 4 Summary and Review
Exercises Chapter 4 Review Problems
11.
12.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
33.
34.
Chapter 5 Functions and Their Graphs
Exercises Problem Set 5.1
Warm Up
Skills Practice
9.
Applications
13.
15.
25.
Section 5.2 Graphs of Functions
Exercises Problem Set 5.2
Warm Up
5.
Skills Practice
Applications
15.
17.
19.
21.
Section 5.3 Some Basic Graphs
Exercises Problem Set 5.3
Warm Up
1.
Skills Practice
17.
Applications
19.
27.
Section 5.4 Direct Variation
Exercises Problem Set 5.4
Warm Up
1.
Skills Practice
Applications
9.
11.
13.
15.
20.
Section 5.5 Inverse Variation
Exercises Problem Set 5.5
Warm Up
Skills Practice
5.
Applications
13.
15.
17.
22.
Section 5.6 Functions as Models
Exercises Problem Set 5.6
Warm Up
Skills Practice
7.
Applications
27.
29.
Absolute Value
9.
11.
Section 5.7 Chapter 5 Summary and Review
Exercises Chapter 5 Review Problems
5.
6.
11.
12.
31.
32.
33.
34.
35.
Chapter 6 Powers and Roots
Section 6.1 Integer Exponents
Exercises Problem Set 6.1
Warm Up
Skills Practice
29.
Applications
31.
33.
35.
36.
Section 6.2 Roots and Radicals
Exercises Problem Set 6.2
Skills Warm Up
1.
3.
Skills Practice
5.
27.
29.
Applications
31.
33.
35.
36.
37.
39.
Section 6.3 Rational Exponents
Exercises Problem Set 6.3
Warm Up
1.
3.
Skills Practice
21.
31.
Applications
35.
37.
39.
41.
43.
Section 6.4 Working with Radicals
Exercises Problem Set 6.4
Warm Up
5.
Skills Practice
21.
Applications
29.
Section 6.5 Radical Equations
Exercises Problem Set 6.5
Warm Up
1.
3.
5.
Skills Practice
Applications
19.
21.
Section 6.6 Chapter 6 Summary and Review
Exercises Chapter 6 Review Problems
7.
8.
9.
10.
19.
20.
21.
22.
23.
25.
27.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
Chapter 7 Exponential Functions
Section 7.1 Exponential Growth and Decay
Exercises Problem Set 7.1
Warm Up
1.
3.
Skills Practice
11.
13.
15.
Applications
31.
33.
35.
37.
Section 7.2 Exponential Functions
Exercises Problem Set 7.2
Warm Up
Skills Practice
17.
18.
21.
25.
Applications
28.
29.
30.
31.
Exercises Problem Set 7.3
Warm Up
1.
Skills Practice
21.
Applications
25.
29.
Section 7.4 Properties of Logarithms
Exercises Problem Set 7.4
Warm Up
1.
Skills Practice
Applications
37.
39.
41.
Section 7.5 Exponential Models
Exercises Problem Set 7.5
Warm Up
Skills Practice
Applications
19.
21.
23.
Section 7.6 Chapter 7 Summary and Review
Exercises Chapter 7 Review Problems
47.
49.
51.
Chapter 8 Polynomial and Rational Functions
Section 8.1 Polynomial Functions
Exercises Problem Set 8.1
Warm Up
1.
3.
Skills Practice
5.
7.
9.
Applications
23.
25.
27.
29.
31.
Section 8.2 Algebraic Fractions
Exercises Problem Set 8.2
Warm Up
Skills Practice
9.
Applications
29.
31.
33.
35.
Section 8.3 Operations on Algebraic Fractions
Exercises Problem Set 8.3
Warm Up
Skills Practice
7.
29.
31.
33.
35.
37.
39.
41.
Applications
Section 8.4 More Operations on Fractions
Exercises Problem Set 8.4
Warm Up
Skills Practice
Applications
25.
27.
Section 8.5 Equations with Fractions
Exercises Problem Set 8.5
Warm Up
Skills Practice
17.
Applications
25.
27.
29.
31.
33.
35.
37.
39.
Section 8.6 Chapter 8 Summary and Review
Exercises Chapter 8 Review Problems
5.
7.
9.
11.
Chapter 9 Equations and Graphs
Section 9.1 Properties of Lines
Exercises Problem Set 9.1
Warm Up
1.
3.
Skills Practice
11.
13.
Applications
15.
17.
19.
21.
Section 9.2 The Distance and Midpoint Formulas
Exercises Problem Set 9.2
Warm Up
1.
Skills Practice
Applications
15.
17.
19.
21.
Section 9.3 Conic Sections: Ellipses
Exercises Problem Set 9.3
Warm Up
1.
3.
5.
Skills Practice
Applications
29.
31.
Section 9.4 Conic Sections: Hyperbolas
Exercises Problem Set 9.4
Skills Practice
11.
Applications
Section 9.5 Nonlinear Systems
Exercises Problem Set 9.5
Warm Up
1.
3.
Skills Practice
Applications
Section 9.6 Chapter 9 Summary and Review
Exercises Chapter 9 Review Problems
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
Chapter 10 Logarithmic Functions
Section 10.1 Logarithmic Functions
Exercises Problem Set 10.1
Warm Up
Skills Practice
19.
21.
23.
Applications
29.
31.
Section 10.2 Logarithmic Scales
Exercises Problem Set 10.2
Warm Up
Skills Practice
5.
7.
9.
Applications
19.
21.
23.
25.
27.
29.
32.
33.
Section 10.3 The Natural Base
Exercises Homework 10.3
Skills Practice
15.
17.
33.
35.
Applications
43.
45.
47.
49.
Section 10.4 Chapter 10 Summary and Review
Exercises Chapter 10 Review Problems
27.
29.
31.
33.
35.
37.
39.
41.
