For , evaluate at the point

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A.

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B.

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C.

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D.

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E.

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Answer: C

Mathematics

Evaluate the expression.(-4)-1

A. -4 
B. - 
C.
D. 4 

Rationalize the denominator. Assume that all variables represent positive real numbers.- 

A. - 
B. - 
C. - 
D. - 

Factor by grouping.24bx - 12by - 16kx + 8ky

A. 4(3b - 2k)(2x + y) B. 4(3b + 2k)(2x + y) C. 4(3b + 2k)(2x - y) D. 4(3b - 2k)(2x - y)

Determine the number of terms and identify the coefficient of each term of the expression.-3t - 7z - h

A. 3; -3, 7, 1 B. 3; 3, -7, 1 C. 3; -3, -7, -1 D. 3; 3, 7, -1