Question
Can you show us how to find the discriminant of the quadratic x^2 + 2x -2 =0
Answers
Reiny
a = 1 , b = 2 , c = -2
b^2 - 4ac = 4 - 4(1)(-2) = 12
b^2 - 4ac = 4 - 4(1)(-2) = 12