Question

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

2x2 + 3x = -1

Answer 1

`2x^2+3x=-1`

`2x^2+3x+1=0`

`\Delta=b^2-4ac`

`a=2`

`b=3`

`c=1`


`\Delta=3^2-4*2*1=9-8=1`

:)