6
QuizMultiple Choice
Modeling with Quadratic Functions
Question 6 • Algebra III A
The image of a parabolic lens is traced onto a graph. The function f(x) = (x + 8)(x – 4) represents the image. At which points does the image cross the x-axis?
Answer
A
(–8, 0) and (4, 0)B
(8, 0) and (–4, 0)C
(2, 0) and (–1, 0)D
(–2, 0) and (1, 0)