1. Slope is the rate of change of a line.
4 types:
Positive
Negative
Zero
Undefined

2. “Slope Dude Video”

3. To Find Slope: Draw the graph Count the change in y (rise)
Always start with the ordered pair on the left
If you go up your slope is +
If you go down your slope is
Count the change in x (run)
Put rise/run

4. “slope” 3

5. Graph the line containing the points (-4,2) and (2,-3) and find the slope.6

6. Graph the line containing the points (-4,2) and (2,-3) and find the slope.
“m” 6

7. Slope Formula

8. Find the slope of the line containing (1,1) and (3,5)

9. Find the slope of the line containing (2,2) and (8,9)
2-9 = -7 = 7

10. Find the slope of the line containing (-4,-6) and (3,-2)
M= = = = 4
-4 –

11. Horizontal line = “0” slope
What is the slope?
(-6,4)
(5,4)
Horizontal line = “0” slope

12. Vertical line = “no slope”
What is the slope?
(3,8)
(3,-2)
Vertical line = “no slope”

13. Assignment Page 321 2-28 even exclude #20