toodamcool5 toodamcool5

09-03-2017
Mathematics

contestada

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

2x2 + 3x = -1

Respuesta :

charlottekrist charlottekrist

09-03-2017

1. Move all terms to one side
2x^2+3x+1=0

2. Find the numbers for a, b and c
a=2
b=3
c=1

3. Put the numbers into the formula
3^2-4(2)(1)

4. Simplify
9-4*2*1
9-8
1

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