Question

Show all work. Calculate and find the x-intercepts of the following function: f(x)=x^2+5x-36

Answer 1

We can do this by factoring: x^2 + 5x - 36, which is (x+9)(x-4)
We plug f(x) as 0, so (x+9)(x-4)=0, so x = -9 and x = 4
The x-intercepts are (-9, 0) and (4, 0).
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Hope this helps!