Page 169 - Basic College Mathematics with Early Integers

Vocabulary and Readiness Check

Use the choices below to fill in each blank. Some choices may be used more than once.

negative 0
positive undefined

1. The product of a negative number and a positive number is a(n) number.
2. The product of two negative numbers is a(n) number.
3. The quotient of two negative numbers is a(n) number.
4. The quotient of a negative number and a positive number is a(n) number.
5. The product of a negative number and zero is .
6. The quotient of 0 and a negative number is .
7. The quotient of a negative number and 0 is .

2.5 Exercise Set FOR EXTRA HELP

Objective Multiply. See Examples 1 through 4.

1. -21-32 2. 51-32 3. -4192 4. -71-22

5. 81-82 6. -9192 7. 01-142 8. -6102

Multiply. See Examples 5 through 7.

9. 61-42122 10. -21321-72 11. -11-221-42 12. 81-32132

13. -41421-52 14. -21-521-42 15. 101-52102 16. 21-121321-22

17. -51321-121-12 18. 31021-421-82

Evaluate. See Examples 8 and 9.

19. -3 2 20. -2 4 21. 1-32 3 22. 1-12 4

23. -5 2 24. -4 3 25. 1-22 3 26. 1-32 2

Objective Find each quotient. See Examples 10 through 14.

-30 56
27. -24 , 6 28. 90 , 1-92 29. 30.
6 -8

-88 -32 0 -13
31. 32. 33. 34.
-11 4 14 0 Copyright 2012 Pearson Education, Inc.

-10 0 39 -24
35. 36. 37. 38.
0 -15 -3 -12
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