Question

Find the discriminant of 3x^2-10x =-3

Answer 1

64

Explanation:

We need to get the equation in the form

ax^2 +bx+c =0

3x^2-10x =-3

Add 3 to each side

3x^2-10x+3 =-3+3

3x^2-10x+3 =0

a=3 b = -10 c = 3

The discriminant is

b^2 - 4ac

(-10)^2 - 4(3)(3)

100 - 36

64