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The beauty of algebra | Introduction to algebra | Algebra I | Khan Academyالمدة : 00:10:07
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Origins of algebra | Introduction to algebra | Algebra I | Khan Academyالمدة : 00:07:18
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Abstract-ness | Introduction to algebra | Algebra I | Khan Academyالمدة : 00:07:00
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Introduction to the coordinate plane | Introduction to algebra | Algebra I | Khan Academyالمدة : 00:11:22
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What are variables, expressions, and equations? | Introduction to algebra | Algebra I | Khan Academyالمدة : 00:06:55
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How to solve equations of the form ax = b | Linear equations | Algebra I | Khan Academyالمدة : 00:11:06
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Solving a more complicated equation | Linear equations | Algebra I | Khan Academyالمدة : 00:08:41
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Introduction to solving an equation with variables on both sides | Algebra I | Khan Academyالمدة : 00:08:53
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Algebra: Linear equations 4 | Linear equations | Algebra I | Khan Academyالمدة : 00:07:39
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Algebra: Solving Inequalitiesالمدة : 00:06:26
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Algebra: graphing lines 1المدة : 00:09:50
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Algebra: Slope and Y-intercept intuitionالمدة : 00:08:37
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Algebra: Slopeالمدة : 00:08:28
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Algebra: Slope 2المدة : 00:09:46
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Algebra: Slope 3المدة : 00:06:23
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Algebra: Equation of a lineالمدة : 00:06:46
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Slope and Y-intercept Intuitionالمدة : 00:05:54
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Averages | Linear equations | Algebra I | Khan Academyالمدة : 00:08:37
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Integer sumsالمدة : 00:09:56
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Taking percentages | Linear equations | Algebra I | Khan Academyالمدة : 00:09:56
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Growing by a percentage | Linear equations | Algebra I | Khan Academyالمدة : 00:09:43
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Percent word problem example 1 | Ratios, rates, and percentages | 6th grade | Khan Academyالمدة : 00:06:18
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More percent problems | Linear equations | Algebra I | Khan Academyالمدة : 00:09:05
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systems of equationsالمدة : 00:09:58
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Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academyالمدة : 00:14:13
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Ratio problem with basic algebra (new HD)المدة : 00:05:12
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More advanced ratio problem--with Algebra (HD version)المدة : 00:09:58
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Alternate Solution to Ratio Problem (HD Version)المدة : 00:07:02
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Introduction to Ratiosالمدة : 00:07:28
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Advanced ratio problemsالمدة : 00:09:58
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Age word problems 1 | Linear equations | Algebra I | Khan Academyالمدة : 00:07:14
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Age word problems 2 | Linear equations | Algebra I | Khan Academyالمدة : 00:09:57
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Age word problems 3 | Linear equations | Algebra I | Khan Academyالمدة : 00:04:10
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Level 1 multiplying expressionsالمدة : 00:08:00
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Solving a quadratic by factoring | Quadratic equations | Algebra I | Khan Academyالمدة : 00:09:12
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Introduction to i and imaginary numbers | Imaginary and complex numbers | Precalculus | Khan Academyالمدة : 00:05:20
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Calculating i raised to arbitrary exponents | Precalculus | Khan Academyالمدة : 00:06:21
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i as the principal root of -1 (a little technical) | Precalculus | Khan Academyالمدة : 00:06:45
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Complex Numbers (part 1)المدة : 00:10:10
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Complex Numbers (part 2)المدة : 00:08:58
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Introduction to the quadratic equation | Quadratic equations | Algebra I | Khan Academyالمدة : 00:09:15
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Quadratic equation part 2 | Quadratic equations | Algebra I | Khan Academyالمدة : 00:09:14
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Completing the squareالمدة : 00:13:45
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Quadratic formula (proof) | Quadratic equations | Algebra I | Khan Academyالمدة : 00:07:34
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Quadratic inequalities | Polynomial and rational functions | Algebra II | Khan Academyالمدة : 00:09:49
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Quadratic inequalities (visual explanation) | Algebra II | Khan Academyالمدة : 00:09:53
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Introduction to functionsالمدة : 00:09:34
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Functions Part 2المدة : 00:09:54
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Functions (Part III)المدة : 00:09:15
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Functions (part 4)المدة : 00:06:08
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Domain of a function | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:09:59
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Proof: log a + log b = log ab | Logarithms | Algebra II | Khan Academyالمدة : 00:07:09
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Proof: a log b = log(b^a), log a - log b = log(a/b) | Logarithms | Algebra II | Khan Academyالمدة : 00:07:59
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Proof: log_a (B) = (log_x (B))/(log_x (A))المدة : 00:07:27
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Algebraic Long Divisionالمدة : 00:10:22
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Introduction to conic sections | Conic sections | Algebra II | Khan Academyالمدة : 00:10:58
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Conic Sections: Intro to Circlesالمدة : 00:09:04
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Conic sections: Intro to ellipse | Conic sections | Algebra II | Khan Academyالمدة : 00:14:15
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Conic sections: Intro to hyperbolas | Conic sections | Algebra II | Khan Academyالمدة : 00:13:34
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Conic sections: Hyperbolas 2 | Conic sections | Algebra II | Khan Academyالمدة : 00:07:30
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Conic sections: Hyperbolas 3 | Conic sections | Algebra II | Khan Academyالمدة : 00:10:29
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Identifying an ellipse from equation | Conic sections | Algebra II | Khan Academyالمدة : 00:09:11
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Identifying a hyperbola from an equation | Conic sections | Algebra II | Khan Academyالمدة : 00:11:28
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Identifying circles and parabolas from equations | Conic sections | Algebra II | Khan Academyالمدة : 00:11:34
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Foci of an ellipse | Conic sections | Algebra II | Khan Academyالمدة : 00:13:49
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Foci of a hyperbola | Conic sections | Algebra II | Khan Academyالمدة : 00:15:24
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Proof: Hyperbola foci | Conic sections | Algebra II | Khan Academyالمدة : 00:14:50
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Partial fraction expansion 1 | Partial fraction expansion | Precalculus | Khan Academyالمدة : 00:11:28
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Partial fraction expansion 2 | Partial fraction expansion | Precalculus | Khan Academyالمدة : 00:13:02
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Partial fraction expansion 3 | Partial fraction expansion | Precalculus | Khan Academyالمدة : 00:10:35
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Parabola Focus and Directrix 1المدة : 00:14:31
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Focus and Directrix of a Parabola 2المدة : 00:18:28
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Two Passing Bicycles Word Problemالمدة : 00:05:39
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Passed Bike Word Problemالمدة : 00:05:54
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Passing Trainsالمدة : 00:09:07
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Overtaking Word Problemالمدة : 00:09:52
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Early train word problem | Linear equations | Algebra I | Khan Academyالمدة : 00:07:08
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Officer on Horsebackالمدة : 00:08:54
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Rational inequalities | Polynomial and rational functions | Algebra II | Khan Academyالمدة : 00:11:49
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Rational inequalities 2 | Polynomial and rational functions | Algebra II | Khan Academyالمدة : 00:13:15
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Interesting Polynomial Coefficient Problemالمدة : 00:16:16
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Geometric series sum to figure out mortgage payments | Precalculus | Khan Academyالمدة : 00:17:36
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Introduction to function inverses | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:09:06
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Function inverse example 1 | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:06:44
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Function inverses example 2 | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:07:13
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Function inverses example 3 | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:07:35
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Direct and inverse variation | Rational expressions | Algebra II | Khan Academyالمدة : 00:09:54
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Recognizing direct and inverse variation | Rational expressions | Algebra II | Khan Academyالمدة : 00:07:05
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Recognizing odd and even functions | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:12:25
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Connection between even and odd numbers and functions | Algebra II | Khan Academyالمدة : 00:04:08
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New operator definitions | Functions and their graphs | Algebra II | Khan Academyالمدة : 00:06:50
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Proof by induction | Sequences, series and induction | Precalculus | Khan Academyالمدة : 00:09:23
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Alternate proof to induction for integer sum | Precalculus | Khan Academyالمدة : 00:03:32
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Setting up proportions to solve word problems | 7th grade | Khan Academyالمدة : 00:05:51
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Converting repeating decimals to fractions 1 | Linear equations | Algebra I | Khan Academyالمدة : 00:04:03
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Converting repeating decimals to fractions 2 | Linear equations | Algebra I | Khan Academyالمدة : 00:09:06
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