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Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. NAME ___________________________________________________ DATE _____________________ PERIOD __________ Lesson 3 Homework Practice Multiplying Rational Numbers Find each product. Write in simplest form. 1. 3 4 · 2 3 1 2 2. 3 7 · 21 39 3 13 3. - 3 4 · 10 27 - 5 18 4. 11 14 · 7 33 1 6 5. - 18 24 · 3 4 - 9 16 6. 9 10 · 20 21 6 7 7. -50 · 3 1000 - 3 20 8. 16 17 · ( - 5 8 ) - 10 17 9. - 1 2 · ( - 20 27 ) 10 27 10. - 14 15 · ( - 10 28 ) 1 3 11. 4 4 7 · 9 1 3 42 2 3 12. -2 14 25 · 3 8 - 24 25 13. 4 1 8 · ( -1 5 11 ) -6 14. -5 · 17 25 -3 2 5 15. 2 9 10 · 1 1 5 3 12 25 16. 6m 13 · 2 mn 12 13n 17. p 3 · 1 q p 3q 18. 2u v 2 · 3 u 6 v 2 19. 4x 3y · 9y 2x 6 20. 2a b · c 2d ac bd 21. rs 9t · 3 s 2 r 3st 22. 2x · 1 4x 2 1 2x 23. x 2 4y · 16 y 2 3x 4xy 3 24. 2 r · 3 r 6 r 2 Evaluate each expression if a = - 5 6 , b = -3 3 8 , and c = 7 10 . Write the product in simplest form. 25. bc -2 29 80 26. ac - 7 12 27. 4 2 5 c 3 2 25 28. -2abc -3 15 16 29. -3 3 7 ab -9 9 14 30. 2 1 9 abc 4 5 32 31. The fastest retired airliner, the Concorde, had the capability of cruising at speeds of up to 1450 mph. While cruising at this top speed, how far would the Concorde travel in 2 1 2 hours? 3625 mi Math Accelerated • Chapter 3 Operations with Rational Numbers

NAME DATE PERIOD Lesson 3 Homework Practice · Lesson 3 Homework Practice Multiplying Rational Numbers Find each product. Write in simplest form. 1

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NAME ___________________________________________________ DATE _____________________ PERIOD __________

Lesson 3 Homework PracticeMultiplying Rational Numbers

Find each product. Write in simplest form.

1. 3 − 4 · 2 − 3 1 − 2

2. 3 − 7 · 21 − 39 3 −

13

3. - 3 − 4 · 10 − 27 - 5 −

18 4. 11 − 14 · 7 − 33 1 −

6

5. - 18 − 24 · 3 − 4 - 9 −

16 6. 9 − 10 · 20 − 21 6 −

7

7. -50 · 3 − 1000 - 3 −

20 8. 16 − 17 · (- 5 − 8 ) - 10

− 17

9. - 1 − 2 · (- 20 − 27 ) 10 −

27 10. - 14 − 15 · (- 10 − 28 ) 1 −

3

11. 4 4 − 7 · 9 1 − 3 42 2 − 3

12. -2 14 − 25 · 3 − 8 - 24 −

25

13. 4 1 − 8 · (-1 5 − 11 ) -6 14. -5 · 17 − 25 -3 2 − 5

15. 2 9 − 10 · 1 1 − 5 3 12 −

25 16. 6m − 13 · 2 − mn 12

− 13n

17. p − 3 · 1 − q

p −

3q 18. 2u −

v 2 · 3 − u 6 −

v 2

19. 4x − 3y · 9y

− 2x 6 20. 2a − b · c − 2d ac −

bd

21. rs − 9t · 3 − s 2

r −

3st 22. 2x · 1 −

4x 2 1

− 2x

23. x 2 − 4y · 16 y 2

− 3x 4xy

− 3

24. 2 − r · 3 − r 6 − r 2

Evaluate each expression if a = - 5 − 6 , b = -3 3 − 8 , and c = 7 − 10 . Write the product in simplest form.

25. bc -2 29 −

80 26. ac - 7

− 12

27. 4 2 − 5 c 3 2 −

25

28. -2abc -3 15 −

16 29. -3 3 − 7 ab -9 9

− 14

30. 2 1 − 9 abc 4 5 −

32

31. The fastest retired airliner, the Concorde, had the capability of cruising at speeds of up to 1450 mph. While cruising at this top speed, how far would the Concorde travel in 2 1 − 2 hours? 3625 mi

Program: Pre-Algebra

Vendor: Aptara

Component: ANC_C03_L3

Grade: AMPDF Pages

Math Accelerated • Chapter 3 Operations with Rational Numbers

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