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(20 points, please help)

Which equation could be solved using this application of the quadratic formula?

Answer Choices:
A. x^2+ 1 = 2x − 3
B. x^2– 2x − 1 = 3
C. x^2+ 2x − 1 = 3
D. x^2+ 2x − 1 = -3

20 points please help Which equation could be solved using this application of the quadratic formula Answer Choices A x2 1 2x 3 B x2 2x 1 3 C x2 2x 1 3 D x2 2x class=

Respuesta :

lorbabybless
I think that the answer is C

The equation  x²+ 2x − 1 = 3 can be solved using the given quadratic formula, the correct option is C.

What is a Quadratic Equation?

A quadratic equation is an equation that can be written in the form of ax²+bx+c = 0.

The given root equation is

[tex]\rm x = \dfrac{-2 \pm \sqrt {2^2 - 4*1*(-4)}}{2*1}[/tex]

Comparing this with the standard equation

[tex]\rm x = \dfrac{-b \pm \sqrt {b^2 - 4*a*c}}{2*a}[/tex]

a = 1

b =2

c =-4

This is true for equation x² +2x -4 = 0

Therefore, the correct option is C.

To know more about Quadratic Equation

https://brainly.com/question/2263981

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