ExamView - FINAL EXAM REVIEW 2011.tst
ExamView - FINAL EXAM REVIEW 2011.tst
ExamView - FINAL EXAM REVIEW 2011.tst
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<strong>FINAL</strong> <strong>EXAM</strong> <strong>REVIEW</strong> 2011<br />
Multiply and simplify if possible.<br />
4<br />
____ 56. 3<br />
⋅<br />
4<br />
−3<br />
4<br />
a. –3 b. 3 c. 3 −3<br />
Ê<br />
ˆ<br />
____ 57. 7x x −7 7<br />
Ë<br />
Á<br />
¯<br />
˜<br />
a. x 7 − 49 x c. x 7 − x 49<br />
b. 7x − 49x d. − 42x<br />
d. not possible<br />
Rationalize the denominator of the expression. Assume that all variables are positive.<br />
____ 58.<br />
a.<br />
b.<br />
6x 8 y 9<br />
5x 2 y 4<br />
x 3 y 2 30y<br />
5<br />
c. 5x 3 y 2 30y<br />
30x 10 y 13<br />
d. none of these<br />
5x 2 y 4<br />
____ 59.<br />
3<br />
2 + 3<br />
3<br />
6<br />
a.<br />
b.<br />
3<br />
2 6<br />
3<br />
2 36<br />
3<br />
+ 9 18<br />
6<br />
3<br />
+ 3 2<br />
6<br />
c.<br />
d.<br />
3<br />
2 6<br />
3<br />
2 36<br />
3<br />
+ 9 4<br />
6<br />
3<br />
+ 3 4<br />
6<br />
Simplify.<br />
____ 60. − 5 − 3 36 + 6 5<br />
1<br />
____ 61. 20 2<br />
⋅ 20<br />
a. 5 5 − 18 c. −5 5 − 18<br />
b. 5 5 − 3 36 d. none of these<br />
1<br />
2<br />
1<br />
a.<br />
4<br />
20<br />
b. 20 c. 20 d. 1<br />
1<br />
____ 62. 3 3<br />
⋅ 9<br />
1<br />
3<br />
3<br />
a. 9 b. 3<br />
c. 3 d. 3<br />
13
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