Directions: Read each question carefully. Encircle the letter of the correct answer.

1. What is the factored form of - 23x + 69?
A. 23(x + 3) C. 23(x – 3)
B.) 23(x - 3) D. 23(x + 3)

2.What are the factors of 4x²—121?
A. (2x + 11)(2x - 11) B. (2x + 11) (2x + 11)
C. (- 2x + 11)(- 2x + 11) D. (- 2x – 11)(- 2x - 11)

3. What are the factors of 343x³ - 512?
A. (7x + 8)(49x? + 56x – 64)
B. (7x + 8)(49x? - 56x + 64)
C. (7x – 8) (49x? – 56x + 64)
D.(7x - 8) (49x + 56x + 64)

4. What are the factors of 125x³ + 216?
A. (5x - 5)(25x? 6)(25x? – 30x + 36)
B. (5x - 6)(25x' + 30x + 36)
C. (5x + 6) (25x² – 30x + 36)
D. (5x + 6) (25x? – 30x - 36

5. Which of the following are factors of 49x² + 126x + 81?

A. (7x + 9)² C. (7x + 9) (7x —9)
B. (7x —9)² D. (7x —9) (—7x +9)​