Notes Over 4.4 Finding the Slope of a Line Slope The number of units the line rises or falls for each unit of horizontal change from left to right Rise:

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Presentation transcript:

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

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right Up 3 Right 7

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right Down 4 Right 3 ++

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right Up 4 Right 4

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right Up 3 Right 0

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right Up 0 Right 4

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right ++

Notes Over 4.4 Finding the Slope of a Line Plot the points and find the slope of the line passing through them. Slope The number of units the line rises or falls for each unit of horizontal change from left to right ++

Notes Over 4.4 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

Notes Over 4.4 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

Notes Over 4.4