Question

Calculate the discriminant.

x2 + 2x – 2 = 0

A.
–8

B.
–4

C.
12

D.
8

Answer 1

The discriminant is: \(\Large b^2-4ac \)

Answer 2

okay!

Answer 3

List your abc values :) then just plug it in

Answer 4

i dont know how to do that? @pooja195

Answer 5

\[ax^2+bx+c\]

Answer 6

Remeber this? :)

Answer 7

kinda

Answer 8

anything ^2 is your a value
anything with ONLY a plain variable is your b
and olny a number is your c

Answer 9

\[x^2 + 2x – 2 = 0\]

Answer 10

ok

Answer 11

If it helps, I'll color code it for ya:

\(\Large \color{red}{1}x^2+\color{blue}{2}x+\color{purple}{-2}=0 \)

\(\Large \color{blue}{b}^2+4\color{red}{a}\color{purple}{c} \)

Answer 12

That should be -4 not +4, sorry about that

Answer 13

okay! @Luigi0210

Answer 14

ok list the values :)