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QuizMultiple Choice

Quadratic Functions: Factored Form

Question 3 • FL-1200700-Mathematics for College Algebra MIS

What is the midpoint of the x-intercepts off(x) = (x – 2)(x – 4)?

Answer
A
(–3,0)
B
(–1,0)
C
(1,0)
D
(3,0)

Explanation

The x-intercepts occur when f(x) = 0. From f(x) = (x − 2)(x − 4), they are (2, 0) and (4, 0). Their midpoint is ((2 + 4)/2, (0 + 0)/2) = (3, 0), so the answer is (3, 0).

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