given the equation below which of the following shows the quadratic formula correctly applied? 3x^2-4x-12=0

asked Jun 28, 2021 200k views

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1 vote

${3x}^(2) - 4x - 12 = 0$

a = 3

b = - 4

c = - 12

Formula:

$\boxed{x = \frac{ - b \pm \: \sqrt{ {b}^(2) - 4ac} }{2a} }$

Replacing:

$x = \frac{ -( - 4) \pm \sqrt{ { (- 4)}^(2) - 4(3)( - 12)} }{2(3)}$

Option: C).

Burki answered Jul 2, 2021

by Burki

6.1k points

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