DIRECTION: Choose the correct answer. Write the letter of your answer on the space before the number. a. 3 b. 3x d. x - 2 c. 6x2 c. 27x3 - d+ ) ) 0 PERFECT EDGE MICRO Nd # w M c. (5ax - 3y) units c. (x - 1)2
1. What is the greatest common monomial factor of 3x2 - 6x?
2. What is the largest factor common to 9xand 27x"? a. 9x3 b. 9x4 d. 27x4
3. Factor x4 – 25. C a. (x2 + 5) (x2 - 5) b. (+ ) (- ) c. (x2 + 5) (x2 + 5)
4. The area of a square is (25a2x2_30axy + 9y2) square units. How long is its side? a. (5ax + 3y) units b. (5x - 3ay) units d. (5a2x - 3) units
5. Factor 16x4 - 625y 16 completely. a. (4x2 - 25y4) (4x2 + 25y4) c. (4x2 – 25y8) (4x2 + 25y8) b. (2x2 + 5y4) (2x2 - 5y4) (4x4 + 25y) d. (2x2 + 5y*)(2x2 - 5y4) (2x2 + 5y4) (2x2 + 5y4)
6. Factor x2 - 2x + 1. a. not factorable b. x + 1 d. (x - 2)2
7. What is the factored form of 9x2 - 25y2? a. (9x - y) (x + 25y) b. (3x - 5y) (3x - 5y) c. (9x + 5y) (x - 5y) d. (3x + 5y) (3x - 5y) 8. x2 + 8x + 12 is the same as. a. (x + 2) (x + 6) b. (x - 2) (x+6) C. (x + 2) (X-6) d. (x-2)(x-6) ) .
9. What is the factored form of 4a2 - 20ab + 9b2? a. (2a - b) (2a - 96) b. (2a - b) (2a + 9b) C. (2a + b) (2a -9b) d. (2a + b) (2a + 9b)
10. Which of the following is equivalent to 6a + 8a²b – 14a²b2? a. 2a(3 + 4ab-7a2b2) b. 2(3a + 4a²b-7a²b2) c. a(6 + Bab – 14a2b) d. none of these
11. What must be the result if you factor m2 + 10m + 25? a. (m - 5)2 b. (m + 5)2 c. (m + 5) (m - 5) d. none of these
12. Find the common factor for 4a3 + 8a2b - 14a4b. a. 2a
13. x²-4 this is a rational expression if x is not equal to a. 4 b. +2 on ly c. -2 only d. 2 and -2
14. The cube of x divided by 4 more than x is written in symbol as x3 a. b. d. C. 4% x +4 - -- - - b. 2a2 c. 2a d. 2a2b -3 5 3 х 3x 3x x + 4 4x​