Back to Practiceeasy • Past Paper

What is the quadratic formula used to solve ax^2 + bx + c = 0?

Ax = (-b ± sqrt(b^2 - 4ac)) / 2a

Bx = (b ± sqrt(b^2 - 4ac)) / 2a

Cx = (-b ± sqrt(b^2 + 4ac)) / 2a

Dx = -b / 2a