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

1 Answer

10 votes

Answer:

-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

What are the x-intercepts of the parabola? y=-3(x+5)(x-9)-example-1
User Simon Arsenault
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