Study Guide Odd Answers 3'1, 3'4

1
Study Guide Odd Answers 3.1, 3.4

• 3.1
• 1. 3m 2 18
• 3. (PQ) -7 6
• 5. 4(fg) 6g
• 7. A s2
• 9. A pr2
• 11. g plus 10 is the same as 3 times g
• 13. 4 times the sum of a and b is 9 times a
• 15. half of the sum of f and y is f minus 5
• 17. The cost of two pounds of plain coffee beans
  plus one of flavored beans is 21

• 3.4
• 1. 50
• 3. 20
• 5. 4
• 7. 7
• 9. 9
• 11. 18
• 13. -51
• 15. 55
• 17. 20
• 19. 2
• 21. 17
• 23. 2n 4 61
• 25. n (n 1) 35 17,18

2
Study Guide Answers for 3.5, 6.3

• 3.5
• 1. A. subtract 2 k from each side.
• B. simplify
• C. add 3 to each side
• D. simplify
• E. divide each side by 2
• F. simplify
• 3. 43.
• 5. 2/3
• -7
• 9. 12
• 11. all numbers
• 13. 2
• 15. 1
• 17. -6
• 19. -7
• 21. 9

• 6.3
• 1. A. add 3 to each side
• B. multiply each side by 4/3
• 3. b lt 5
• 5. d 8
• 7. t lt 55
• 9. f gt 18
• 11. k gt -2
• 13. w gt -2
• 15. n/3 4 9 n 15
• 17. -3n 7 lt -11 n gt 6
• 19. 5/6n 7 gt -3 n gt -12

3
Study Guide Odd Answers 6.4, 6.5

• 6.4
• 1. See graph sheet for answers.
• 3. See graph sheet for answers.
• 5. x -3 or x 3
• 7. 0 x lt 5
• 9. k lt -4 or k 3
• 11.1 lt h 3
• 13. 5 lt 2n 1 lt 7 2 lt n lt 3
• 15. w lt 40 or w gt 60
• 17. between 36 g and 63 g inclusive

• 6.5
• 1. c
• 3. d
• 5. t - 52 3
• 7. a 87 25
• (For 9, 11, 13, see graph sheet for graph
  answers)
• 9. 2 lt c lt 4
• 11. t lt -10 or t gt -2
• 13. 1 k 9
• 15. x 3 gt 2
• 17. x 4

4
Graphs Sheet