Math - Algebra
This is the original Algebra playlist on the Khan Academy and is where Sal continues to add videos that are not done for some other organization. It starts from very basic algebra and works its way through algebra II. This is the best algebra playlist to start at if you've never seen algebra before.
- Simple Equations
- Equations 2
- Equations 3
- Algebra: Linear Equations 1
- Algebra: Linear Equations 2
- Algebra: Linear Equations 3
- Algebra: Linear Equations 4
- Algebra: Solving Inequalities
- Algebra: graphing lines 1
- Algebra: Slope and Y-intercept intuition
- Algebra: Slope
- Algebra: Slope 2
- Algebra: Slope 3
- Algebra: Equation of a line
- Slope and Y-intercept Intuition
- Averages
- Integer sums
- Taking percentages
- Growing by a percentage
- Another Percent Word Problem
- More percent problems
- systems of equations
- Introduction to Ratios (new HD version)
- Ratio problem with basic algebra (new HD)
- More advanced ratio problem--with Algebra (HD version)
- Alternate Solution to Ratio Problem (HD Version)
- Introduction to Ratios
- Advanced ratio problems
- Age word problems 1
- Age word problems 2
- Age word problems 3
- Level 1 multiplying expressions
- Solving a quadratic by factoring
- i and Imaginary numbers
- Complex Numbers (part 1)
- Complex Numbers (part 2)
- Introduction to the quadratic equation
- Quadratic Equation part 2
- Completing the square
- Quadratic Formula (proof)
- Quadratic Inequalities
- Quadratic Inequalities (Visual Explanation)
- Introduction to functions
- Functions Part 2
- Functions (Part III)
- Functions (part 4)
- Domain of a function
- Proof: log a + log b = log ab
- Proof: A(log B) = log (B^A), log A - log B = log (A/B)
- Proof: log_a (B) = (log_x (B))/(log_x (A))
- Algebraic Long Division
- Introduction to Conic Sections
- Conic Sections: Intro to Circles
- Conic Sections: Intro to Ellipses
- Conic Sections: Intro to Hyperbolas
- Conic Sections: Hyperbolas 2
- Conic Sections: Hyperbolas 3
- Identifying Conics 1
- Identifying Conics 2
- Conic Identification 3
- Foci of an Ellipse
- Foci of a Hyperbola
- Proof: Hyperbola Foci
- Partial Fraction Expansion 1
- Partial Fraction Expansion 2
- Partial Fraction Expansion 3
- Parabola Focus and Directrix 1
- Focus and Directrix of a Parabola 2
- Two Passing Bicycles Word Problem
- Passed Bike Word Problem
- Passing Trains
- Overtaking Word Problem
- Early Train Word Problem
- Officer on Horseback
- Rational Inequalities
- Rational Inequalities 2
- Interesting Polynomial Coefficient Problem
- Geometric series sum to figure out mortgage payments
- Introduction to Function Inverses
- Function Inverse Example 1
- Function Inverses Example 2
- Function Inverses Example 3