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Khan Academy: AlgebraI (requires Latex)

0.54MB. 0 audio & 329 images. Updated 2017-07-23.


Here are some cards I made while going through the Algebra I mission in Khan Academy. Latex required.

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
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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
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Extra Info [$]b^2 - 4ac[/$]
Tags AlgebraI Khan.Academy Math Trivia
Front Evaluate:[$]\sqrt[3]{- \frac{1}{8}}[/$]
Back [$]- \frac{\sqrt[3]{1}}{\sqrt[3]{8}} = - \frac{1}{2}[/$]
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Extra Info
Tags AlgebraI Khan.Academy Math Trivia

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on 1580827293
on 1562583359
Thank you
on 1558710740
I appreciate the LaTeX. You must have put a lot of effort into this.