Name: SAT Math Help & School Math Mastery
Availability: InStock

Loading...

#14148

equations

radicals

hard

75 sec

\frac{z^2}{\sqrt{z^2-m^2}} = \frac{m^2}{\sqrt{z^2-m^2}} + 9
In the given equation, $m$ is a positive constant. Which of the following is one of the solutions to the given equation?

A.

$m^{2} - 81$

B.

$- 81 - m^{2}$

C.

$m$

D.

$- m^{2} + 81$