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:
Example 1: Note that the equation is already in the proper form. Identify a, b, and c. Solve the equation.
Substitute the values of a, b, and c into the quadratic formula.
Simplify
Solution:
Example 2: First, write the equation in the form … Identify a, b, and c. Solve the equation.
Substitute the values of a, b, and c into the quadratic formula.
Simplify
Solution:
Example 3: First, write the equation in the form … Identify a, b, and c. Solve the equation.
Substitute the values of a, b, and c into the quadratic formula.
Simplify
Solution: