Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.z-2/7 ? z3/7

A. z7/6
B. z1/7
C. z-1/7
D. z6/7


Answer: B

Mathematics

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Determine whether the statement is true or false.If n is a natural number and 8|n, then 16|n.

A. True B. False

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Solve.x5 + 56 > 7x3 + 8x2

A. (-?, -) ? (2, )
B. (-)
C. (-7, ?)
D. (-, 2) ? (, ?)

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Solve the inequality. Express your answer using interval notation.-1/2 > 0

A. (8, ?)


B. (- ?, 8)


C. (- ?, 8]


D. [8, ?)


Mathematics

Solve by the method of your choice.2x2 + xy - y2 = 3x2 + 2xy + y2 = 3

A.
B.
C.
D.

Mathematics