ACT Math Prep Algebra: Quadratic Equations
In this ACT Math prep video, we cover quadratic equations, which are polynomial equations where the highest degree or power is x^2. We cover various methods for solving the problem which includes factoring, solving by square roots, using the quadratic formula, as well using the discriminant.
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Video Contents:
0:00 ACT Math Practice Problem
0:26 Solutions of Quadratic Equations
2:23 Overview of Solving the Problem
2:46 First Method: Solve All Equations
9:31 The Quadratic Formula
14:53 The Discriminant
15:44 Second Method: Use the Discriminant
19:36 One Last Note About the Problem
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The example used in the video is based off this ACT math problem:
https://imgur.com/TFgUhgR
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