Education resources for parents, students, teachers & administrators
Algebra
Click on the links below to view specific video algebra lessons.
- The Beauty of Algebra
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- Origins of Algebra
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- Abstract-ness
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- Descartes and Cartesian Coordinates
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- Variables Expressions and Equations
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- Simple Equations
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- Equations 2
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- Equations 3
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- Algebra: Linear Equations 4
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- Algebra: Solving Inequalities
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- Algebra: graphing lines 1
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- Algebra: Slope and Y-intercept intuition
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- Algebra: Slope
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- Algebra: Slope 2
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- Algebra: Slope 3
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- Algebra: Equation of a line
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- Slope and Y-intercept Intuition
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- Averages
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- Integer sums
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- Taking percentages
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- Growing by a percentage
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- Another Percent Word Problem
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- More percent problems
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- systems of equations
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- Introduction to Ratios (new HD version)
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- Ratio problem with basic algebra (new HD)
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- More advanced ratio problem--with Algebra (HD version)
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- Alternate Solution to Ratio Problem (HD Version)
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- Introduction to Ratios
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- Advanced ratio problems
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- Age word problems 1
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- Age word problems 2
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- Age word problems 3
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- Level 1 multiplying expressions
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- Solving a quadratic by factoring
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- Introduction to i and Imaginary Numbers
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- Calculating i Raised to Arbitrary Exponents
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- i as the Principal Root of -1 (a little technical)
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- Complex Numbers (part 1)
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- Complex Numbers (part 2)
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- Introduction to the quadratic equation
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- Quadratic Equation part 2
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- Completing the square
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- Quadratic Formula (proof)
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- Quadratic Inequalities
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- Quadratic Inequalities (Visual Explanation)
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- Introduction to functions
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- Functions Part 2
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- Functions (Part III)
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- Functions (part 4)
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- Domain of a function
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- Proof: log a + log b = log ab
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- Proof: A(log B) = log (B^A), log A - log B = log (A/B)
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- Proof: log_a (B) = (log_x (B))/(log_x (A))
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- Algebraic Long Division
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- Introduction to Conic Sections
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- Conic Sections: Intro to Circles
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- Conic Sections: Intro to Ellipses
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- Conic Sections: Intro to Hyperbolas
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- Conic Sections: Hyperbolas 2
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- Conic Sections: Hyperbolas 3
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- Identifying Conics 1
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- Identifying Conics 2
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- Conic Identification 3
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- Foci of an Ellipse
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- Foci of a Hyperbola
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- Proof: Hyperbola Foci
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- Partial Fraction Expansion 1
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- Partial Fraction Expansion 2
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- Partial Fraction Expansion 3
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- Parabola Focus and Directrix 1
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- Focus and Directrix of a Parabola 2
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- Two Passing Bicycles Word Problem
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- Passed Bike Word Problem
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- Passing Trains
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- Overtaking Word Problem
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- Early Train Word Problem
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- Officer on Horseback
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- Rational Inequalities
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- Rational Inequalities 2
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- Interesting Polynomial Coefficient Problem
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- Geometric series sum to figure out mortgage payments
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- Introduction to Function Inverses
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- Function Inverse Example 1
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- Function Inverses Example 2
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- Function Inverses Example 3
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- Direct and Inverse Variation
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- Recognizing Direct and Inverse Variation
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- Recognizing Odd and Even Functions
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- Connection between even and odd numbers and functions
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- New Operator Definitions
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- Proof by Induction
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- Alternate Proof to Induction for Integer Sum
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- Writing Proportions
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- Coverting Repeating Decimals to Fractions 1
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- Coverting Repeating Decimals to Fractions 2
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