Explanation of using the graph of a line module to understand how a line's graph changes when its slope or y-intercept is changed.
- Author:
- Khan, Salman
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This is an introduction to solving a quadratic equation by factoring.
- Author:
- Khan, Salman
This 3-minute video lesson looks at solving radical equations.
- Author:
- Khan, Salman
This 2-minute video lesson continues to look at solving radical equations.
- Author:
- Khan, Salman
This 4-minute video lesson continues to look at solving radical equations.
- Author:
- Khan, Salman
This 6-minute video lesson looks at subtracting and simplifying radicals.
- Author:
- Khan, Salman
How to use algebra to take a percentage of a number.
- Author:
- Khan, Salman
This rate of speed problem solves a problem involving two bicycles passing each other.
- Author:
- Khan, Salman
An explanation of i as the principal square root of -l.
- Author:
- Khan, Salman
This 3-minute video lesson introduces the concept of absolute value.
- Author:
- Khan, Salman
This 6-minute video lesson looks at absolute value and number lines.
- Author:
- Khan, Salman
This lesson introduces the concept of absolute value as the distance of the number from zero.
- Author:
- Khan, Salman
This lesson shows the importance of lining up the decimals when adding decimals.
- Author:
- Khan, Salman
This lesson uses a number line to demonstrate adding fractions with different signs.
- Author:
- Khan, Salman
This lesson shows how easy it is to add fractions with similar denominators.
- Author:
- Khan, Salman
This lesson reviews how to create fractions with like denominators so that they can be added.
- Author:
- Khan, Salman
This lesson presents strategies for adding mixed numbers with like denominators.
- Author:
- Khan, Salman
This lesson presents word problems that require adding mixed numbers.
- Author:
- Khan, Salman
This lesson shows how to add mixed numbers that have different denominators.[Developmental Math playlist: Lesson 72 of 196]
- Author:
- Khan, Salman
This pre-algebra lesson and demonstrates adding and subtracting negative numbers
- Author:
- Khan, Salman