Posted by **jalisaj** on Tuesday, October 20, 2009 at 11:29am.

3. Reduce the fraction −20t 5u 2v 3

48t 7u 4v

.

A. −5t 2v 2

12u 2 C. −5v 2

12t 2u 2

B. 5t 2v 2

12u 2 D. 5v 2

12t 2u 2

4. Reduce the fraction

w 2 + 5w + 6

w 2 − w − 12

.

A. w − 2

w − 4

C. w + 2

w + 4

B. w + 2

w − 4

D. w − 2

w + 4

5. Find the illegal values of b in the fraction

2b 2 + 3b − 10

b 2 − 2b − 8

.

A. b = −5 and 2 C. b = −2 and 4

B. b = −2 and −4 D. b = −5, −2, 2 and 4

6. Multiply 3xyz 2

6y 4 by 2y

xz 4.

A. 1

y 2z 2 C. x 2

3y 2z 2

B. x 2

y 2z 2

D. 1

3y 2z 2

88

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