Question

What is the smaller and larger x value of the x-intercept for y=x2-5

Answer 1

Answer:

Smaller:$(-\sqrt{5},0)$ larger:$(\sqrt{5} ,0)$

Step-by-step explanation:

y=0 because it is at the x-intercept, solve for x.

$y=x^2-5\\0=x^2-5\\0+5=x^2-5+5\\x^2=5\\\\x=(+/-)\sqrt{5}\\y=0\\\\(x,y)=(-\sqrt{5},0) or(\sqrt{5}, 0)$