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Khan Academy: AlgebraI (requires Latex)
0.54MB. 0 audio & 329 images. Updated 2017-07-23.
Description
Sample (from 159 notes)
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Front | How would you solve the below for c?[$]c^2 = \frac{121}{169}[/$] |
Back | [$]\sqrt{c^2} = \pm \sqrt{\frac{121}{169}}[/$][$]c = \pm \sqrt{\frac{121}{169}}[/$][$]c = \pm \frac{\sqrt{121}}{\sqrt{169}}[/$][$]c = \pm \frac{11}{13}[/$] |
Source | https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/rational-exponents-intro/v/basic-fractional-exponents |
Add Reverse | |
Extra Info | Note the very important plus or minus symbol. |
Tags | AlgebraI Khan.Academy Math |
Front | What is the discriminant in a quadratic equation? |
Back | The part inside the square root in a quadratic equation. |
Source | https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-using-the-quadratic-formula/v/quadratic-formula-3 |
Add Reverse | y |
Extra Info | [$]b^2 - 4ac[/$] |
Tags | AlgebraI Khan.Academy Math Trivia |
Front | Evaluate:[$]\sqrt[3]{- \frac{1}{8}}[/$] |
Back | [$]- \frac{\sqrt[3]{1}}{\sqrt[3]{8}} = - \frac{1}{2}[/$] |
Source | |
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Extra Info | |
Tags | AlgebraI Khan.Academy Math Trivia |
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I appreciate the LaTeX. You must have put a lot of effort into this.