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shtirl [24]
3 years ago
7

Which point is an x-intercept of the quadratic function f(x) = (x – 4)(x + 2)?​

Mathematics
1 answer:
Dima020 [189]3 years ago
7 0

Answer:

x = - 2, x = 4

Step-by-step explanation:

Given

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

To find the x- intercepts let f(x) = 0, that is

(x - 4)(x + 2) = 0 ← in standard form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4 → (4, 0 )

x + 2 = 0 ⇒ x = - 2 → (- 2, 0 )

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