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How do I even go about this? I’m so confused

How do I even go about this? I’m so confused-example-1
User Eva
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1 Answer

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Answer:

f(x) = x² - x - 6

Explanation:

You have the coordinates of the x intercepts and one other point, so you can find the equation of the graph.

(-2, 0) and (3, 0) are the x-intercepts

The x roots of the quadratic equation therefore are: 2, -3

f(x) = C(x+2)(x-3) find the constant C by plugging in the coordinates of the third point, (0, -6)

-6 = C(0+2)(0-3)

-6 = C(-6)

C = -6/-6 = 1

f(x) = (x+2)(x-3) = x² - x - 6

User Den Isahac
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