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# Lesson 4 - PowerPoint PPT Presentation

Notes Over 4.4. Rise: Difference of y -values. Run: Difference of x -values. Finding the Slope of a Line. The number of units the line rises or falls for each unit of horizontal change from left to right. Slope. Notes Over 4.4. Right 7. Up 3. Finding the Slope of a Line.

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## PowerPoint Slideshow about 'Lesson 4' - Angelica

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Presentation Transcript

Rise: Difference of y-values

Run: Difference of x-values

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Right 7

Up 3

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

Down 4

Right 3

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

+

+

Right 4

Up 4

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

Up 3

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

Right 0

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

Right 4

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

Up 0

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

+

+

Finding the Slope of a Line

The number of units the line rises or falls for each unit of horizontal change from left to right

Slope

Plot the points and find the slope of the line passing through them.

+

+

Interpreting Slope as Rate of Change

10. In 1992, the population of Seoul, South Korea was 17,334,000. In 1995, the population of Seoul was 19,065,000. Find the average rate of change of the population in people per year.

People per Year

Interpreting Slope as Rate of Change

11. In 1990, the number of motorcycles registered in the United states was 4.3 million. In 1996, the number of registered motorcycles was 3.8 million. Find the average rate of change of the number of registered motorcycles in motorcycles per year.

Motorcycles per Year