09 - The Quadratic Formula Explained, Part 1 (Practice Problems & Solutions)

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In this lesson, you will learn what the quadratic formula is, how to use it, and why it is important to solve quadratic equations in algebra.

First, we will derive the quadratic formula using the completing the square method. Next, we will solve numerous quadratic equations using the quadratic formula and check the answers.

Видео 09 - The Quadratic Formula Explained, Part 1 (Practice Problems & Solutions) канала Math and Science