What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?
Asked by maham237 @ in Mathematics viewed by 313 People
What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?
(–4, 0) and
and (4, 0)
(–5, 0) and (2, 0)
(–2, 0) and (5, 0)
Answered by maham237 @
If you would like to find the x-intercepts of the function f(x) = - 2 * x^2 - 3 * x + 20, you can calculate this using the following steps:
f(x) = - 2 * x^2 - 3 * x + 20
f(x) = - (2x - 5) * (x + 4)
1. x = - 4
2. x = 5/2
(x, y) = (-4, 0)
The correct result would be (-4, 0).
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