Question

What is the value of b^2 - 4ac for the following equation?

2x^2 + 3x = -1

Answer 1

Choices;

0
1
17

Answer 2

???

Answer 3

ax^2+bx+c

Answer 4

ax^2+bx+c=0

Answer 5

2x2 + 3x +1=ax^2+bx+c

a=2
b=3
c=1

Answer 6

So then what's the value for b^2 - 4ac ?

Answer 7

Apparently the right answer is 1. But what's the solution to that?

Answer 8

@cinar

Answer 9

its 1. b is 3 a is 2 and c is 1. so \[3^2-4(2)(1)\]

Answer 10

then you get 9-8 which is 1

Answer 11

Ah. Makes sense. Thank you!!! :)