5. Which of the following is the expanded form of (x – 5)??
A x2 - 25
B. x2 - 5x – 25
C.x2 - 10x + 25
D. x2 - 10x + 25
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6. Which of the following is a perfect square trinomial?
A. x2 - 2x + 4
C. x2 - 4y + 2y2
B. 4x2 + 12x + 9
D. 9x2 - 6xy - y2
7. All of the following are perfect square trinomials EXCEPT one. Which is it?
A. 4x2 + 12xy + 9y2
C.x²y2 - 4x2y2 + 4x2y2
B. 9a2 - 36a + 36
D. a2b2 + 4a3b + 4a?
8. What is the complete factored form of 4x2 + 16xy + 16y2?
A. (2x + 4y)2
C.(2x – 4y)2
B. (2x + 4y)(2x - 4y)
D. (2x - 4y)(2x - 4y)
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9. What are the two numbers whose sum is 1 and whose product is -12?
A. 3 and -4
B. -3 and 4
C. -3 and -4
D. 3 and 4
10. What are the two expressions whose sum is 7x and whose product is 10x2?
A. 2x and 5x
B. -2x and 5x
C. 2x and -5x
D. -2x and - 5x​