DIRECTION: Read and understand each item, then choose the letter of your answer and write it on your
answer sheets.
1. What is the Greatest Common Factor of 18 and 12?
A. 1
B. 2
C. 3
D. 4

2. What is the GCF of 24, 32 and 40?
A. 2
B. 4
C. 6
D. 8

3. What is the GCF of x8 and x12
A. x²
B. x6
C. X8
D. x12

4. What is the GCF of 4x3 - 2x2 + 6x ?
A. 2x ( 2x2 - x + 3)
C. 2x ( 2x2 + x - 3)
B. 2x ( 2x2 + x + 3)
D. 2x ( 2x2 - x - 3)

5. What are the complete factors of the polynomial 9x2 - 9 ?
A. 9 (x2 - 1)
B. 9 ( 9 - x2)
C. 9(x + 1)
D. x2 (9-1)
6. What is the GCF of x4y7 ,x2yº, x6y5, and xyl1 ?
A. x3y?
B. xº yº
C. x2y5
D. x4yº

7. What are the complete factors of 15f2gh3 - 20f 3 g<h2 ?
A. 5f2g3h2 ( 4h -5fg)
C. 5f2ghề ( 3h -4fg)
B. 5f2g3h2 ( 4h -3fg)
D. 3f2g3h (2h -3fg)

8. Which of the following is not a perfect cube?
A. 27
B. 125
C. 225
D. 216

9. Which of the following is a perfect square expression?
A. 16a³
B. 12a⁴
C. 162⁴
D. 12a³

10. If one factor of the difference of two squares is x + 9, what is the other factor?
A. x - 3
B. x⁴ + 3
C. X-9
D. x² - 2²​