Page 262 - Basic College Mathematics with Early Integers

Vocabulary and Readiness Check

Use the choices below to fill in each blank.

addition multiplication evaluate the exponential expression
subtraction division complex
1. A fraction whose numerator or denominator or both numerator and denominator contain fractions is called a(n)
fraction.
1 2 7
2. To simplify - + # , which operation do we perform first?
2 3 8
1 2 7
3. To simplify - , # , which operation do we perform first?
2 3 8
7 1 2
4. To simplify # a - b , which operation do we perform first?
8 2 3
1 1 9 3 3
5. To simplify , # a + b , which operation do we perform first?
3 4 11 8
3 2
6. To simplify 9 - a- b , which operation do we perform first?
4

3.6 Exercise Set FOR EXTRA HELP

Objective Simplify each complex fraction. See Examples 1 through 4.

1 5 2 9 2
8 12 3 25 27
1. 2. 3. 4. 5.
3 15 2 6 4
4 12 7 25 9

3 3 2 7 2 3 3
+ + + 2
11 4 5 6 3 4 10
6. 7. 8. 9. 10.
1 1 3 3 8 1 2
+ - 5 -
2 2 5 2 9 8 5

Objective Use the order of operations to simplify each expression. See Examples 5 and 6.

1 1 1 1 1 1 5 1 1
11. + # 12. + # 13. , #
5 3 4 2 6 3 6 3 4

7 1 1 1 2 1 2
14. , # 15. 2 - a b 16. 3 - a b
2
2
8 4 7 3 2
2 4 1 9 1 1 1 1 7 1 3
17. a + ba - b 18. a - ba + b 19. a - b ,
9 9 3 10 5 10 5 10 8 2 11

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