An introduction to the circle. [Algebra: Lesson 52 of 86]
- Author:
- Khan, Salman
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An introduction to the ellipse. [Algebra: Lesson 53 of 86]
- Author:
- Khan, Salman
An introduction to the foci, or focuses, of a hyperbola. [Algebra: Lesson 61 of 86]
- Author:
- Khan, Salman
An introduction to the hyperbola and conic sections. [Algebra: Lesson 54 of 86]
- Author:
- Khan, Salman
A continuation of the lesson on hyperbolas and conic sections. [Algebra: Lesson 55 of 86]
- Author:
- Khan, Salman
Additional explanation of hyperbolas and the conic section. [Algebra: Lesson 56 of 86]
- Author:
- Khan, Salman
An introduction to using the quadratic equation to solve 2nd degree polynomials.
- Author:
- Khan, Salman
This 14-minute video lesson shows how to take the inverse of a 2x2 matrix. [Linear Algebra playlist: Lesson 4 of 143]
- Author:
- Khan, Salman
This 17-minute video lesson shows how to invert a 3x3 matrix. [Linear Algebra playlist: Lesson 5 of 143]
- Author:
- Khan, Salman
This 14-minute video lesson uses Gauss-Jordan elimination to invert a 3x3 matrix. [Linear Algebra playlist: Lesson 6 of 143]
- Author:
- Khan, Salman
An introduction to slightly more complicated equations.
- Author:
- Khan, Salman
How to solve equations with the variable on both sides of the equation.
- Author:
- Khan, Salman
Demonstration of solving linear equations with variable expressions in the deominators of fractions.
- Author:
- Khan, Salman
This 17-minute video lesson uses the inverse of a matrix to solve a system of equations.
- Author:
- Khan, Salman
This 14-minute video lesson uses matrices to figure out if some combination of 2 vectors can create a 3rd vector.
- Author:
- Khan, Salman
This 14-minute video lesson shows how to multiply two 2x2 matrices.
- Author:
- Khan, Salman
This 15-minute video lesson provides more on multiplying matrices.
- Author:
- Khan, Salman
A demonstration of how to solve an advanced ratio problem with algebra.
- Author:
- Khan, Salman
This is a presentation of slightly harder percent problems.
- Author:
- Khan, Salman
This 3-minute video lesson looks at more rational exponents and exponent laws.
- Author:
- Khan, Salman