Factor the trinomial, or state that the trinomial is prime.x2 - 8x + 15

A. (x - 3)(x - 5)
B. (x + 3)(x + 1)
C. prime
D. (x + 3)(x - 5)


Answer: A

Mathematics

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A.

B.

C.

D.

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Find the center and radius of the circle.x2 + y2 + 6x - 2y + 10 = 81

A. (-1, 3), r = 81 B. (-3, 1), r = 9 C. (1, -3), r = 9 D. (3, -1), r = 81

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Solve the equation by factoring.x2 - 81 = 80x

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