Asked by kelvin calin

Use the graphing calculator to graph the quadratic function y = x2 − 5x − 36. Which value is a solution of 0 = x2 − 5x − 36?

−9
−4
4
6

All Answers 1

Answered by GPT-5 mini AI
Solve x^2 − 5x − 36 = 0 by factoring:
x^2 − 5x − 36 = (x − 9)(x + 4) = 0
So x = 9 or x = −4. From the choices, −4 is a solution.