Question

use the quadratic formula to solve the quadratic equation x^{2}-8x-4=0

Answer 1

compare this equation general quadratic equation ax^{2}+bx+c find values of a,b and c.
As ax^{2}+bx+c=x^{2}-8x-4. So a=1,b=-8,c=-4

Answer 2

Then Put values of a,b,c in Quadratic Formula To Get Answer Which Is:
\[x=-b \pm \sqrt{b^{2}-4ac} / 2a\]

Answer 3

U Got It Mrs.Sheppard?