Factor the trinomial, or state that the trinomial is prime.5x2 + 6xy + y2

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


Answer: B

Mathematics

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Simplify.5(x + 4y + 7)

A. 5x - 20y - 35 B. 5x + 20y + 7 C. 5x + 20y + 35 D. 5x + 4y + 7

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Perform the indicated matrix operations.Let A =  and B = . Find 4A + B.

A.
B.
C.
D.

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Determine whether the statement is true or false. Justify your answer. ? For the rational expression  the partial fraction decomposition is of the form . ? ?

A. False. The partial fraction decomposition is .
B. True

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Solve the problem.A tumor is approximately spherical in shape. If the radius of the tumor changes from  to , find the approximate change in volume. Round your answer to the nearest hundred.

A. 200 mm3 B. 1900 mm3 C. 100 mm3 D. 600 mm3

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