Question

Solve this quadratic equation using the quadratic formula.

x2 + 8x - 5 = 0
i need to show my work!

Answer 1

try and plug it in to the quadratic formula.

Answer 2

identify
a =
b =
c =

Answer 3

ax^2 + bx + c = 0
x^2 + 8x -5 = 0

Answer 4

\[ax^2+bx+c=0\\
x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Answer 5

Oh dude I WISH I were still doing this sort of thing!

Answer 6

I know how to do the quadratic formula I would really just want the answer to compare to mine and see if I got it right.

Answer 7

so what is your answer?

Answer 8

a=1
b=8
c=-5

because of the standard form ax^2+bx+c

Plug those numbers into a, b, and c for that quadratic formula. Just plug and chug my friend!``

Answer 9

you can always replace 'x' with your answer and see it you get 0, if you do you got it right.