Factor out the greatest common factor.48x8y7 + 160x6y4 - 128x4y2
A. no common factor (except 1)
B. 16x4(3x4y7 + 10x2y4 - 8y2)
C. 16x4y2(3x4y5 + 10x2y2 - 8)
D. 16(3x8y7 + 10x6y4 - 8x4y2)
Answer: C
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A. Function B. Not a function
Completely factor the polynomial or state that the polynomial is prime.512y3 - 1
A. (512y - 1)(y2 + 8y + 1) B. (8y - 1)(64y2 + 8y + 1) C. (8y - 1)(64y2 + 1) D. (8y + 1)(64y2 - 8y + 1)
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Evaluate the expression.
A. 0 B. 7 C. 21 D. 1