Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.

A. 12 
B.
C. -1
D.


Answer: D

Mathematics

You might also like to view...

Provide an appropriate response.Explain in your own words the difference between a bar graph and a histogram. Give an example of data for which you might use a histogram and an example of data for which you might use a bar graph.

What will be an ideal response?

Mathematics

Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 - 8x = 15

A. {4 ± }
B. {8 ± }
C. {4 ± }
D. {-4 ± }

Mathematics

Solve the problem.Find two consecutive positive integers such that the square of the smaller integer added to seven times the larger integer is equal to 85.

A. -13, -12 B. No such integers exist. C. 6, 7 D. 13, 14

Mathematics

Solve the equation.7(2x + 1) + 9(2x + 1) = 144

A. 4 B. 6 C. 3 D. 5

Mathematics