This 4-minute video lesson explains how to multiply and simplify a radical expression.
- Author:
- Khan, Salman
This 4-minute video lesson explains how to multiply and simplify a radical expression.
This 3-minute video lesson explains how to multiply and simplify a radical expression.
This shows how a mathematician can define their own set of operators.
This lesson introductes systems of equations.
A word problem involving 3 people overtaking each other at different rates.
This lesson explains how a parabola is the locus of all points equidistant from a point and a line.
This lesson explains how a parabola is the locus of all points equidistant from a point and a line. [Algebra: Lesson 66 of 86]
An introduction to partial fraction expansion.
Presentation of a more complex problem of partial fraction expansion.
This is a demonstration of how to deal with repeated factors.
How to solve a word problem involving a train passing a bike.
Another word problem involving trains passing at different rates.
Proofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B)
A proof of the logarithm property: log a + lob b = log ab.
A proof of the hyperbola foci formula. [Algebra: Lesson 62 of 86]
A demonstration of how to derive the quadratic formula by completing the square.
This is a demonstration of how to solve a quadratic inequality and develops visual intuition of what a quadratic inequality means.
This 3-minute video lesson looks at the radical equivalent to rational exponents.