This lesson shows how to find the focus and directrix of a parabola. [Algebra: Lesson 67 of 86]
- Author:
- Khan, Salman
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An introduction to the foci, or focuses, of a hyperbola.
- Author:
- Khan, Salman
How to calculate the foci, or focuces, of an ellipse.
- Author:
- Khan, Salman
This lesson shows how to find the focus and directrix of a parabola.
- Author:
- Khan, Salman
This 2-minute video lesson looks at fractional exponent expressions.
- Author:
- Khan, Salman
This 8-minute video lesson looks at fractional exponent expressions.
- Author:
- Khan, Salman
This 7-minute video lesson looks at fractional exponent expressions.
- Author:
- Khan, Salman
A presentation of examples of variables varrying directly and inversely.
- Author:
- Khan, Salman
This lesson demonstrates how to solve function problems.
- Author:
- Khan, Salman
This lesson concludes the demonstrations of function exercises and introduces the graph as a definition of a function.
- Author:
- Khan, Salman
This is an example of a function problem that was submitted bya YouTube viewer.
- Author:
- Khan, Salman
This 10-minute video lesson looks at how to rationalize a denominator.
- Author:
- Khan, Salman
This 7-minute video lesson looks at circles and logarithms.
- Author:
- Khan, Salman
This 7-minute video lesson looks at circles and logarithms.
- Author:
- Khan, Salman
This 14-minute video lesson looks at conic sections.
- Author:
- Khan, Salman
This 14-minute video lesson looks at conic sections.
- Author:
- Khan, Salman
This 10-minute video lesson looks at imaginary and complex numbers.
- Author:
- Khan, Salman
This 10-minute video lesson looks at imaginary and complex numbers.
- Author:
- Khan, Salman