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Slope

Slope. 8.4 Rate of Change & Slope. To learn what slope is To learn what a line looks like when it has positive, negative, zero or undefined slope To learn how to find the slope of a graph To learn how to find the slope of a table. What is Slope?. Slope is the rate of change of a line.

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Slope

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  1. Slope

  2. 8.4 Rate of Change & Slope • To learn what slope is • To learn what a line looks like when it has positive, negative, zero or undefined slope • To learn how to find the slope of a graph • To learn how to find the slope of a table

  3. What is Slope? Slope is the rate of change of a line. It indicates the steepness of the line. (change in y) (change in x)

  4. What does the line look like when… • You have positive slope? • You have negative slope? • You have zero slope? 0 0 • You have NO slope?

  5. Positive slope, + work Negative slope, - work Zero slope is zero fun! NO slope. Oh No!!!! Slope Mountain Ski Resort T. Merrill 2005

  6. What Type of Slope is Shown? Positive Slope Negative Slope Zero Slope No Slope/Undefined

  7. Slope of a Graph • When slope is positive or negative we need to find the actual value of the slope or rate of change • On a graph we find slope using the formula How far up or down it changes How far left or right it changes

  8. Slope of a Graph • First pick two points on the line • The points need to be where the lines cross so they are integers • 2. Then find the rise and run • 3. Determine if the slope of the line is positive or negative Rise = 2 Run = 3

  9. Slope of a Graph • First pick two points on the line • The points need to be where the lines cross so they are integers • 2. Then find the rise and run • 3. Determine if the slope of the line is positive or negative Rise = 10 Run = 2

  10. y x Slope of a Graphed Line Find the slope of each line below Slopes: Find the slope of each line below 4 4

  11. Slope of a Table • In a table we can use the same formula. Pick any two pairs in the table for coordinates Pick any two rows. If it is linear it will be the same no matter which two rows you pick

  12. Slope of a Table • Find the slope for each table below

  13. Conclusion the rate of change of a line • Slope is: • Describe the slope of each of the following Undefined/ No slope Positive slope Negative slope Zero/0 slope

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