Exit ticket · The Quadratic Formula
- Work out the value of the discriminant $b^2 - 4ac$ for $2x^2 + 4x + 2 = 0$.
- Work out the value of the discriminant $b^2 - 4ac$ for $4x^2 - 4x - 3 = 0$.
- Work out the value of the discriminant $b^2 - 4ac$ for $3x^2 + 7x - 3 = 0$.