This 10-minute video lesson looks at imaginary and complex numbers.
- Author:
- Khan, Salman
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An introduction to how to identify and graph conic sections.
- Author:
- Khan, Salman
Additional explanation of how to identify and graph conic sections.
- Author:
- Khan, Salman
A demonstration of how to use algebra to add sums of consecutive integers.
- Author:
- Khan, Salman
How to find the coefficients of a third degree polynomial given 2 roots and the y-intercept.
- Author:
- Khan, Salman
This lesson introduces conic sections and explains why they are called conic sections.
- Author:
- Khan, Salman
An introduction to function inverses, and direct and inverse variation.
- Author:
- Khan, Salman
An explanation of even and odd functions.
- Author:
- Khan, Salman
This lesson gives a possible reason why even functions are called even, and odd functions are called odd.
- Author:
- Khan, Salman
An introduction to i and imaginary numbers.
- 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
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