otrevino2015 otrevino2015
  • 16-06-2022
  • Mathematics
contestada

What is the discriminant of the quadratic equation 0 = -x² + 4x − 2?

Respuesta :

rdacoder
rdacoder rdacoder
  • 16-06-2022

Answer: 8

Step-by-step explanation:

The discriminant is [tex]b^2-4ac[/tex]

in the equation:

[tex]-x^2+4x-2[/tex]

A = -1, B = 4, C = -2

plug into equation

[tex]4^2-4(-1)(-2)[/tex]

[tex]16-8[/tex]

⇒ [tex]8[/tex]

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