saranike476oqtlwt
saranike476oqtlwt saranike476oqtlwt
  • 17-12-2018
  • Mathematics
contestada

Can sum one help me this is my last question

Can sum one help me this is my last question class=

Respuesta :

OrethaWilkison OrethaWilkison
  • 26-12-2018

Answer:

Option B is correct.

the value of discriminant is, -7

Step-by-step explanation:

Given the equation: [tex]x^2 + x +2 = 0[/tex]

To find the value of discriminant [tex]b^2-4ac[/tex]

A quadratic equation is of the form [tex]ax^2+bx+c = 0[/tex] where a, b and c are coefficient of the equation.

On comparing with given equation we have;

a  = 1 , b = 1 and c = 2

then;

Discriminant = [tex]b^2-4ac =(1)^2 -4(1)(2) =1 -8 = -7[/tex]

Therefore, the value of discriminant is, -7

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