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

A. 8 
B.
C.
D. 57


Answer: B

Mathematics

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Find the limit, if it exists. 

A. 2 B. Does not exist C. 4 D. 0

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Find the exact value. Do not use a calculator.csc 45°

A.
B.
C.
D.

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The rectangular coordinates of a point are given. Find polar coordinates for the point.(100, -30) Round the polar coordinates to two decimal places, with ? in degrees.

A. (104.40, 106.70°) B. (104.40, 16.70°) C. (104.40, -106.70°) D. (104.40, -16.70°)

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Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = 2x2 - 6x - 20

A. (2, 0) and (-5, 0) B. (-2, 0) and (-5, 0) C. (-2, 0) and (5, 0) D. (2, 0) and (5, 0)

Mathematics