Postsecondary Education Readiness Test Mathematics Worksheet With Answer Key - Florida State College At Jacksonville Page 11
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18Florida State College Review for PERT Mathematics – Part 2
26. Multiply and simplify where possible:
31. Multiply and simplify where possible:
2
2
3x(7x – 4)
– 4z
A. 16x
2
2
2
2
– 4
– 12
A. 21x
B. 21x
B. 8x
+ 4z
2
2
– 12x
2
+ 16xz – 4z
2
C. 9x
D. 21x
C. 16x
2
2
D. 8x
+ 4z
27. Multiply and simplify where possible:
4x(2y + 3z – 12)
A. 6xy + 12xz – 48
2
– 3x – 7) + (3x
2
32. Simplify: (6x
+ 5)
2
B. 8xy + 12xz – 48x
– 3x – 2
A. 3x
2
2
2
2
2
– 3x – 12
C. 8x
y
+ 12x
z
+ 48
B. 9x
D. 8xy + 12xz – 12
2
– 3x – 2
C. 9x
2
– 3x +12
D. 9x
28. Multiply and simplify where possible:
2
– 3y
3
2
– 3z + 1) – (7z
2
– 8z + 5)
xy(6x
z)
33. Simplify:
(z
3
4
2
y – 3xy
A. – 6z
– 11z + 6
A. 6x
z
3
4
2
y – 2xy
B. – 6z
+ 5z – 4
B. 7x
z
2
y – xy
3
C. – 6z
2
– 11z – 4
C. 6x
z
3
4
D. – 7z
2
+ 5z – 4
D. 3x
y
z
2
2
+ 3) +(4z – 7) – (5z
+ z – 9)
29. Multiply and simplify where possible:
34. Simplify:(z
(5x – 2)(6x + 3)
A. – 4z
2
+ 5z + 5
2
2
– 6
B. – 4z
A. 30x
+ 3z + 5
2
2
+ 3x – 6
C. – 4z
+ 5z – 13
B. 30x
2
– 5
D. – 6z
2
+ 3z – 13
C. 11x
2
D. 30x
+ 3x + 5
30. Multiply and simplify where possible:
3
3
(
z
)(
z
)
4
4
2
3
A.
z
B. 2z
4
2
2
2
9
C.
z
D. z
3
16
Solutions:
1. C
2. B
3. B
4. D
5. D
6. C
7. D
8. C
9. B
10. A
11.B
12. D
13. A
14. B
15. B
16. A
17. C
18. C
19. D
20. D
21. D
22. A
23. C
24.A
25. D
26.D
27. B
28. A
29. B
30. D
31. A
32. C
33. B
34. B
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