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

A.
B.
C.
D.


Answer: B

Mathematics

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Provide an appropriate response. Identify the equation as pure quadratic, incomplete quadratic, complete quadratic, or not quadratic: 9x2 = 4 .

A. Incomplete quadratic B. Not quadratic C. Pure quadratic D. Complete quadratic

Mathematics

Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 2); focus at (0, -2)

A.  -  = 1

B.  -  = 1

C.  -  = 1

D.  -  = 1

Mathematics

Write the fraction or mixed number as a percent.

A. 25% B. 1000% C. 12.5% D. 2.5%

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Solve the polynomial inequality. Express the solution in interval notation.(x - 1)(x - 7) ? 0

A. (-?, 1] ? [7, ?) B. [1, 7] C. (1, 7) D. (-?, 1) ? (7, ?)

Mathematics