Question

which of the following is an x-intercept of the function shown below?
y=x^2-10x+25
A.) x=-5
B.) x=5
C.) x=25
D.) x=10

Answer 1

arrange them
use y=mX+b

Answer 2

what do you mean and what do i do with the x^2?

Answer 3

use that formula based on the given equation

Answer 4

wait

Answer 5

It's a quadratic equation

Answer 6

sorry for the confusion

Answer 7

You need to do factorisation