Question

What are the x-intercepts of the parabola? y=-3(x+5)(x-9)

Answer 1

-5 and 9

Explanation:

Graph the equation on a graph.

You can also simplify the equation into y=mx+b form and then graph:

y=-3(x+5)(x-9)

y=(-3x-15)(x-9)

y=-3x^2+27x-15x+135

y=-3x^2+12x+135