### Home > AC > Chapter 12 > Lesson 12.4.3 > Problem12-89

12-89.

Is $\left(-5,7\right)$ a solution to $y<\sqrt{x^2+24}$? Show how you know.

Substitute $-5$ for $x$ and $7$ for $y$, then simplify.

Did $\left(-5,7\right)$ make the inequality true?