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I have a question in my algebra book that i need help figuring out!

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2 Answers

If you want the x intercepts of the equation y = (x - 6)(x + 3) then here they are.

X-intercepts:

Set y = 0 and use the zero product property (if ab = 0 then a = 0 or b = 0)

(x - 6)(x + 3) = 0

x - 6 = 0 or x + 3 = 0.

x = 6 or x = -3


Y-intercept:

Set x = 0.

y = (0 - 3)(0 + 6) = -3*6 = -18