leaderofteamgraphic leaderofteamgraphic

27-06-2019
Mathematics

contestada

What are the x-intercepts of the function f(x) = 2x^2 - 3x + 20?

Respuesta :

beckalexa beckalexa

27-06-2019

There are two: -4 and -5/2
Steps

0 = (2x - 5)(x + 4) | FOIL (distribution)

2x = 5 | zero product rule
x = 5/2 <<<

x = -4 <<< | zero product rule again.

Answer Link

LilTJ22 LilTJ22

27-10-2020

There are two: -4 and -5/2

Steps

0 = (2x - 5)(x + 4) | FOIL (distribution)

2x = 5 | zero product rule

x = 5/2 <<<

x = -4 <<< | zero product rule again.

Answer Link

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