2. Solving Quadratic Equations – Quadratic Formula The following shows how to solve quadratic equations using the Quadratic Formula. A quadratic equation is any equation that can be put into the form: The quadratic formula is given by:

3. Example 1: Note that the equation is already in the proper form. Identify a, b, and c. Solve the equation.

4. Substitute the values of a, b, and c into the quadratic formula.

5. Simplify

6. Solution:

7. Example 2: First, write the equation in the form … Identify a, b, and c. Solve the equation.

8. Substitute the values of a, b, and c into the quadratic formula.

9. Simplify

10. Solution:

11. Example 3: First, write the equation in the form … Identify a, b, and c. Solve the equation.

12. Substitute the values of a, b, and c into the quadratic formula.

13. Simplify

14. Solution: