## Completing the Square and Quadratic Formula 2

Completing the Square and Quadratic Formula 2
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Part of video series Completing the Square
Taught by YourMathGal

### Meets NCTM Standards:

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
One more example of completing the square to solve a quadratic equation, when the coefficient of x-squared is not 1. The problem is also solved using the quadratic formula.
• What is the quadratic formula?
• How can you solve a quadratic equation by completing the square?
• How do you solve a quadratic equation using the quadratic equation?
• How do you solve 3x^2 - 5x + 7 = 0 by completing the square and also by using the quadratic formula?
In this lesson, you will see how to solve a quadratic equation by using two different methods. The first method is by completing the square. Then, you will see how to solve it using the quadratic formula. All steps involved in solving both ways are shown and explained.
• Currently 4.0/5 Stars.
Reviewed by MathVids Staff on November 10, 2010.