Quadratic Equations Worksheet With Answers. Find which of the following are quadratic. The quadratic formula and the discriminant worksheet (with answer key) given a quadratic equation in standard form where a,b, and c are constants and a ≠ 0, we can use the quadratic.

D.russell use the quadratic formula to solve the equations (answers on 2nd page of pdf. Solve x² + 9x + 18 = 0 using the quadratic formula to solve x² + 9x + 18 = 0. Solving by taking square roots.