# Koofers

MATH 356
ABSTRACT ALGEBRA I
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6:18
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Finding the full price when you know the discount price
Author: Salman Khan Views: 1
9:05
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Slightly harder percent problems
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9:57
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Author: Salman Khan Views: 5
14:13
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What a ratio is. Simple ratio problems.
Author: Salman Khan Views: 2
5:12
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A slightly more involved ratio problem with algebra
Author: Salman Khan Views: 5
9:58
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More advance ratio problem with algebra.
Author: Salman Khan Views: 2
7:02
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An alternate solution to the advanced ratio problem in the last video.
Author: Salman Khan Views: 0
7:27
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Author: Salman Khan Views: 0
9:57
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Author: Salman Khan Views: 3
7:12
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Age word problems
Author: Salman Khan Views: 12
9:56
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Second set of age word problems
Author: Salman Khan Views: 2
4:08
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Part 3 of the presentation on age word problems
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7:58
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(Ax+By)(Ax+By)
Author: Salman Khan Views: 1
9:12
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Author: Salman Khan Views: 11
9:17
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Introduction to i. Raising i to arbitrary exponents.
Author: Salman Khan Views: 0
10:10
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Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.
Author: Salman Khan Views: 1
9:15
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Introduction to using the quadratic equation to solve 2nd degree polynomials
Author: Salman Khan Views: 1
9:14
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2 more examples of solving equations using the quadratic equation
Author: Salman Khan Views: 1
13:45
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Solving a quadratic by completing the square.
Author: Salman Khan Views: 2
7:34
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Deriving the quadratic formula by completing the square.
Author: Salman Khan Views: 0
Videos 41 - 60 of 1,030