Solve the system of equations by elimination.x + y =  5x + 2y = 52

A. (-4, 12)
B. (-12, 5)
C. (-12, 4)
D. (12, -4)


Answer: D

Mathematics

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What will be an ideal response?

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Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.

A. 6.325 ft B. 10 ft C. 20 ft D. 40 ft

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The graph of the given function is drawn with a solid line. The graph of a function, g(x), transformed from this one is drawn with a dashed line. Find a formula for g(x).f(x) = x2

A. g(x) = - (x + 4)2
B. g(x) = - (x + 4)2 + 2
C. g(x) = (x - 4)2 - 2
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Factor when possible. If the polynomial is prime, say so.x2 - x - 40

A. (x + 5)(x - 8) B. (x - 40)(x + 1) C. (x - 5)2 D. prime

Mathematics