9. Which is a possible value of n to make 8xn - 64 a difference of two cubes?
A. 3
B. 8
C. 15
D. 25
10. What will you multiply to (3x + y) to make a perfect square trinomial?
A. 3x + y
B. - y + 3x
C. 3x - y
D. 3x² - y2
11. Which of the following is a difference of two squares?
A. ײ+4
B. ×⁴y3 - 100 C. 2x² - 9
D. 4x⁸y² - 49
A. 3
B. 8
C. 15
D. 25
10. What will you multiply to (3x + y) to make a perfect square trinomial?
A. 3x + y
B. - y + 3x
C. 3x - y
D. 3x² - y2
11. Which of the following is a difference of two squares?
A. ײ+4
B. ×⁴y3 - 100 C. 2x² - 9
D. 4x⁸y² - 49
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Answer:
C.
C.
C.
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