c. 10b
+
a. 3
1. What is the greatest common factor of 28y2 and 49y??
a. 7y?
b. 21y?
c. 7y
d. 196y2
2. What is the greatest common factor of 10b2 and 10?
a. 10
b. 5
d. 2
3. If one of the factors of 10x + 2x2 + 4x is 2x, what is the other factor?
a. x2 + 2x2 + 4x
c. 5x3 + x + 4x
b. x + 2x + 4x
d. 10x + 2x + 4
4. Factor 6x + 10.
a. 3(2x + 5)
c. 2(3x + 5)
b. 2(3x - 5)
d. -2(3x + 5x)
5. 10a - 10b = (a - b).
a. 10
b. 4
c. 3
d. 5
6. What is the greatest common factor of 40a²b and 48ab2?
a. 240a2
b. 5ab
C. 8ab
d. 4ab
7. What is the factor of 20x + 12y?
a. 5(4x + y)
c. 10(2x + y)
b. 4(5x + 3y)
d. 2(5x + 6y)
8. Factor 36x4 - 42x.
a. 6x (6x-7)
c. 6x (6x? - 7x)
b. 6X? (6x - 7)
d. 6x (6x4 - 7x2)
9. What is the greatest common factor of 12 and 18?
b. 6
C. 4
d. 2
10. What is the factor of 8x + 4y + 12?
a. 4x (2+y+3)
c. 4 (2+ y+3)
b. 4xy (2 + y+3)
d. 4 (2x + y+3)
11. Which of the following is a perfect square?
a. 27
b. 81
c. 50
d. 18
12. Which of the following numbers is a perfect cube?
a. 125
b. 16
c. 100
d. 15
13. What is 64?
a. a perfect square
c. both perfect square and cube
b. a perfect cube
d. none of the above
14. Which of these polynomials is a Difference of Two Squares?
a. x + 4x - 12
C. 14x - 16
b. 4X-972
d. x + 36
15. Factor X - 100.
a. (x + 10) (x - 10)
c. (x + 10) (x + 10)
b. (x - 10) (x - 10)
d. (x + 50) (X - 50)
16. Factor 25X - 81.
a. (9x + 5) (9x - 5)
c. 5 (x-92
b. 25 -9)
d. (5x + 9) (5x-9)
17. Factor 1218 - 49 completely.
a. (11x + 7) (11x-7)
c. (11x-7)(11x-7)
b. (11x-7)
d. (12x + 7) (12x - 7)
18. The binomial x + y is called alan
a. Difference of Two Squares
c. Square of a Binomial
b. Sum of Two Cubes
d. Difference of Two Cubes
19. Factor 27x-64.
a. (3x - 4) (9X? - 12x + 16)
C. (3x + 4) (9x2 - 12x + 16)
b. (3x - 4) (9x2 + 12x + 16)
d. (3x + 4) (9x2 + 12x + 16)
20. What must be multiplied to (5x + 2y) to get a product of 125x® + 8y3?
a. (5x – 2y)
C. (5x + 10x’y + 2y3)
b. (25x4 - 10xły + 4y?)
d. (5x + 2y).
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