Question

What is the value of b2 - 4ac for the following equation?

2x2 + 3x = -1

Answer 1

a=2, b=3, c=1.... Now plug those values into your expression to get the result.

On a side note, please use the equation button so your equations are easier to read.

Answer 2

there is no equation button when asking a question...

Answer 3

if anything; i person could verify their equation by posting it after a question is asked.. if they know how to use it :)

Answer 4

Ah, ok...I'll have to remember that.
Anyway, the quadratic's easy enough to recognize in this case; no harm done... :)