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Bittinger Textbook Homework

This page has a list of recommended odd-numbered textbook problems. This list is designed for a hypothetical student with a "typical" math background. If your math foundation is weak, do even more odd-numbered problems. If your math foundation is strong, do fewer.

The odd-numbered textbook problems have an answer key in the back of the textbook. They are a great way to start practicing new math skills. Build the habit of asking yourself if each answer you get is reasonable. Check your answers so you do not practice bad habits.

(A few even-numbered problems are so worthwhile that they are also included. They have answers provided below.)

While you do these problems, review your own notes. Where are they missing an example problem? Where can you improve an explanation? Fix up any weak spots in your notes. Make flashcards if those help you.

If possible, do homework with others. Students who participate in study groups almost always pass the class. You can ask your instructor to help students find study groups.

This gray font marks review topics from Math 10.

**Section 1.1 (Page 8)** # 43, 45

**Section 1.6 (Page 43)** # 1, 5, 11, 13, 17, 21

**Section 4.1 (Page 222)** # 53, 55, 57, 61, 65, 69, 71

**Section 4.5 (Page 255)** # 49

**Section 1.6 (Page 43)** # 25, 35, 47, 69

**Section 4.6 (Page 262)** # 1, 3, 17, 19, 21, 23

**Section 1.5 (Page 32)** # 1, 3, 5, 7, 9, 11

**Section 2.1 (Page 91)** # 5, 7, 29, 31, 49, 53, 57, 61

**Section 2.2 (Page 97)** # 1, 3, 5, 7, 9, 11, 13

**Section 4.1 (Page 222)** # 93

**Section 2.5 (Page 120)** # 1, 3, 5, 7, 15, 21, 25, 33

**Section 4.1 (Page 251)** # 9, 11, 15, 17, 21, 23, 25

**Section 4.5 (Page 255)** # 1, 3, 5, 7, 9, 11, 17, 21, 25, 27

**Section 2.3 (Page 104)** # 25, 41

**Section 5.1 (Page 290)** # 13, 19, 21, 25, 27, 35, 37, 39

**Section 5.2 (Page 296)** # 1, 3, 7, 9, 11, 17, 21, 31, 47

**Section 4.3 (Page 235)** # 9, 11, 13, 15, 17, 19

**Section 4.4 (Page 245)** # 37, 39, 41, 43, 45, 47, 48

0.0234

**Section 6.1 (Page 341)** # RC1, RC3, 1, 3

**Section 6.1 (Page 342)** # 7, 13, 15, 19, 21, 22, 27, 35, 37, 45, 47, 69, 71, 73

0.055

**Section 6.2 (Page 349)** # 1, 3, 11, 15, 17, 19, 25, 27, 37, 39, 41, 43, 45, 47, 49, 55, 57, 59, 61, 73, 79, 81

**Section 8.4 (Page 479 or 501)** # 65, 67

**Section 8.2 (Page 467 or 489)** # 57, 59

**Section 8.1 (Page 460 or 482)** # 1, 3, 5, 9, 15, 19, 21, 29, 35

**Section 8.3 (Page 470 or 493)** # 1, 3, 5, 7, 9, 11, 23, 25, 27, 29

**Section 8.4 (Page 479 or 501)** # 3, 5, 9, 11

**Section 8.5 (Page 486 or 508)** # 13, 15, 25

**Section 8.2 (Page 467 or 489)** # 1, 5, 11, 23, 33, 35, 37, 39, 43, 45

**Section 8.4 (Page 479 or 501)** # 15, 19, 21, 27, 33, 35, 37, 73

**Section 8.5 (Page 486 or 508)** # 3, 5, 7, 13, 25, 65

**Section 8.7 (Page 498 or 520)** # 1, 5, 7, 13, 15, 23, 33

**Section 9.1 (Page 513 or 535)** # 23, 25, 27

**Section 9.6 (Page 561 or 583)** # 1, 5, 9, 13, 17, 21, 25

**Section 2.6 (Page 126)** # 3, 5, 11, 17, 41, 43

**Section 2.7 (Page 135)** # 9, 11, 13, 17, 21

**Section 5.2 (Page 296)** # 1, 3, 7, 9, 11, 17, 21, 31

**Section 3.1 (Page 151)** # 3, 5, 7, 9, 17, 21

**Section 3.2 (Page 157)** # 3, 5, 7, 11, 15, 21, 27, 31, 33

**Section 3.3 (Page 165)** # 3, 5, 7, 9, 11, 15, 17, 27, 31, 35

**Section 3.4 (Page 171)** # 5, 7, 9, 33, 35, 37

**Section 5.1 (Page 290)** # 13, 19, 21, 25, 27, 35, 37, 39, 45, 51, 53

**Section 4.4 (Page 245)** # 55, 57, 65, 67, 69, 71, 73

(none)

**Section 6.5 (Page 375)** # 25, 26, 27, 28, 31, 37, 39

$16 change is an 8% increase

$18 change is a 20% decrease

**Section 8.4 (Page 479 or 501)** # 69

(none)

**Section 6.7 (Page 396)** # 1, 3, 5, 9, 11, 35, 37

**Section 8.1 (Page 460 or 482)** # 7, 26, 27, 33, 35, 36, 47

3 miles

1 mile

**Section 8.5 (Page 486 or 508)** # 11, 65

**Section 9.1 (Page 513 or 535)** # 1, 3, 5, 7, 9, 13, 15, 19, 31

**Section 9.2 (Page 521 or 543)** # 3, 5, 13, 17, 21, 23, 27, 28, 29, 30, 33

6.8 km^{2}

717.5 cm^{2}

**Section 9.3 (Page 531 or 553)** # 1, 5, 10

717.5 cm^{3.454 feet}

**Section 1.7 (Page 52)** # 5, 7, 9, 11, 13, 15, 19, 21, 23, 25, 31, 45, 55

**Section 2.2 (Page 52)** # 41, 45

**Section 2.7 (Page 135)** # 33, 35, 37, 39

**Section 4.2 (Page 227)** # 49, 53

**Section 4.4 (Page 245)** # 49, 51, 53

**Section 9.3 (Page 531 or 553)** # 13

**Section 5.3 (Page 304)** # 1, 5, 7

**Section 5.3 (Page 304)** # 11, 25, 43, 47, 49, 67, 69

**Section 5.4 (Page 315)** # 1, 3, 5, 9, 12, 13, 19, 29, 31, 33

0.96 ounce

**Section 5.5 (Page 324)** # 1, 3, 5, 7, 9, 15, 17, 27

**Section 6.3 (Page 357)** # 1, 2, 3, 4, 5, 7, 13, 15, 21, 25, 27, 31, 37, 39, 43

98% × 57 = *a*

*p* × 25 = 8

**Section 6.4 (Page 363)** # 1, 2, 3, 5, 6, 13, 15, 21, 25, 27, 29, 31, 35, 37, 43

^{66}⁄_{100} = ^{a}⁄_{274}

^{N}⁄_{100} = ^{5.3}⁄_{6.8}

**Section 6.5 (Page 375)** # 3, 5, 11, 23

**Section 6.6 (Page 386)** # 1, 5, 9, 11, 19, 21, 23, 33, 35, 37, 39, 41, 51

**Section 6.7 (Page 396)** # 35, 37

**Section 8.6 (Page 493 or 515)** # 27, 33, 37, 47, 49

**Section 9.2 (Page 521 or 543)** # 35, 39, 43, 45, 67

**Section 9.3 (Page 531 or 553)** # 17, 19, 21, 27, 29, 35, 37

(we do not do any)