Solving Quadratic Equations by Using the Quadratic Formula

A girl at a blackboard checking the solution set to a quadratic equation with her mobile deviceThe quadratic formula provides you a method to determine the solution set of any quadratic equation. Recall the quadratic equation given in the Warm-Up: x2 + 7x + 11 = 0. Now that you have completed your study of the quadratic formula, you are well-equipped to determine the solution set of this quadratic equation.