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Practice determining key aspects of quadratic functions given in factored form. Which point is an x-intercept of the quadratic function f(x) = (x – 4)(x + 2)? (–4, 0) (–2, 0) (0, 2) (4, –2)

Respuesta :

irspow
An x intercept occurs whenever y=0.

y=(x-4)(x+2)

So for y=0, x=-2 or 4, so the x-intercepts are:

(-2, 0) and (4, 0)

Only (-2, 0) is within your answer choices.
kevinvarnell
(-2,0) hope this helps

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