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3241004551 [841]
2 years ago
8

What are the x-intercepts of the function y = 22 -x - 120? Check all that apply. O (-120. 0) O (-11.466, 0) O (-10.466, 0) O (0,

-120) (10.466, 0) O (11.466, 0)
Mathematics
1 answer:
MrRissso [65]2 years ago
8 0

The x-intercepts of the function y = 2x^2 -x - 120 are (-7.5, 0) and (8, 0)

<h3>How to determine the x-intercept?</h3>

The function is given as:

y = 2x^2 - x - 120

Set the function to 0

2x^2 - x - 120 = 0

Factor out 2

2(x^2 - 0.5x - 60) = 0

Divide by 2

x^2 - 0.5x - 60 = 0

Expand the function

x^2 + 7.5x - 8x - 60 = 0

Factorize the function

(x + 7.5)(x - 8) = 0

Split

x + 7.5 = 0 and x - 8 = 0

Solve for x

x = -7.5 and x = 8

Hence, the x-intercepts of the function y = 2x^2 -x - 120 are (-7.5, 0) and (8, 0)

Read more about x-intercepts at:

brainly.com/question/3951754

#SPJ1

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