Find the focus and directrix of the parabola.x2 = 8y

A. F: (2, 0); D: x = 2
B. F: (0, 2); D: y = -2
C. F: (0, -2); D: x = - 2
D. F: (2, 0); D: y = 2


Answer: B

Mathematics

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Solve the equation. x = 32

A. 5 B. -5 C. -32 D. -1

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Find the indicated set given A = {-3, 0, 2, 5, 6, 11, 16, 23}, B = {-3, 0, 16, 23}, and B ? C

A. {11, 16, 23} B. {16, 23} C. {-7, -4, -3, 0, 11, 16, 23} D. {-4, 16, 23}

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Provide an appropriate response.The following table has the inputs, x, and the outputs for three functions, f, g, and h. Test the percent change of the outputs to determine which function is exactly exponential, which is approximately exponential, and which is not exponential. 

What will be an ideal response?

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Simplify the expression by combining like terms.9m2 + 2 + 2m - 20m2 + 2m

A. 11m2 - 4m + 2
B. m2 + 4m + 2
C. m2 - 4m - 2
D. 11m2 + 4m + 2

Mathematics