This unit discusses the various standard linear forms for linear equations.

### Linear Equations in Slope Intercept Form

by Sal Khan
This video goes over a few examples of how to find the equation of a line in slope intercept form, y=mx+b.
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### Linear Equations in Point Slope Form

by Sal Khan
This video gives an introduction to writing equations in point slope form. It gives a few examples of how to write the equation of a line in this form.
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### Linear Equations in Standard Form

by Sal Khan
This video gives an introduction to writing a linear equation in standard form. It gives examples of how to put an equation of this form.
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### Equations of Parallel and Perpendicular Lines

by Sal Khan
This video gives examples of what parallel and perpendicular lines look like and shows how their slopes relate to one another.
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### Fitting a Line to Data

by Sal Khan
This video uses Excel to create a scatter plot and a line of best fit for the data. It shows how to use this line solve a word problems.
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### Predicting with Linear Models

by Sal Khan
This video uses data from a table to make a linear model that approximates the data. Several models are fit to parts of the same data.
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### Using a Linear Model

by Sal Khan
This video shows how to use a line of best fit or the slope between two given data points to estimate data that is not given on a scatter plot.
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