Question

question 6 of 10
which of the following is an x-intercept of the function, $f(x) = x^2 - 25$?

a. -5
b. -20
c. -15
d. -25

Explanation:

Step1: Set f(x) = 0 for x-intercept

$f(x) = x^2 - 25 = 0$

Step2: Solve the equation

$x^2 = 25 \implies x = \pm5$

Answer:

A. -5