Question

Find the coordinates of the x-intercepts of the graph of the equation (if an answer does not exist enter DNE) y = x2 - 2x - 8

Answer 1

Answer: (4,0) (-2,0)

Explanation:

We know that this is a parabola and will have two x-intercepts. Knowing that -8 is the y-intercept we would mark it on the graph. The line would then stretch two opposite ways from this y-intercept. We would then set y equal to 0.

0=x^2-2x-8 then solve