Video Lesson https://youtu.be/9wR2TLX0Fns Lesson from Video Solve a Quadratic Equation Using the Quadratic Formula Solve a Quadratic Equation Using the Quadratic Formula The quadratic formula is a universal method for solving quadratic equations of the form:
![\[ax^2 + bx + c = 0\]](https://i0.wp.com/authorjonathandavid.com/wp-content/ql-cache/quicklatex.com-6dfc24b31c36e48f8132c6ec6713ed6b_l3.png?resize=128%2C19&ssl=1 "Rendered by QuickLaTeX.com")
The formula is given by:
![\[x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\]](https://i0.wp.com/authorjonathandavid.com/wp-content/ql-cache/quicklatex.com-9817c2a5f7aaa4e5ccd634bcac979d05_l3.png?resize=156%2C40&ssl=1 "Rendered by QuickLaTeX.com")
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