Question

what is the value of b 2 - 4ac for the following equation? 2x 2 3x = -1 0 1 17

Answer 1

For 2x^2 + 3x = -1 => 2x^2 + 3x + 1 = 0 => a = 2, b = 3, c = 1
b^2 - 4ac = 3^2 - (4 x 2 x 1) = 9 - 8 = 1