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### Writing Linear Functions

The slope-intercept form of a linear equation is y = mx + b, where m is the slope of the line and b is the y-intercept of the line.

The point-slope form of a linear equation is y – y

_{1}= m(x – x_{1}), where m is the slope and (x_{1}, y_{1}) is a point on the line.Use information given about a line to write its equation in these forms. Sometimes it is easier to put it in one form than the other one.

### Writing Linear Functions

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

- Intro 0:00
- Slope Intercept Form 0:08
- Origin of Form
- Example
- Point Slope Form 3:47
- Origin of Form
- Parallel and Perpendicular Lines 5:36
- Example: Find Parallel Line
- Lecture Example 1 8:27
- Lecture Example 2 12:08
- Additional Example 3
- Additional Example 4

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