1. 3-3: Slopes of Lines

2. Find the slope of this line.

3. Find the slope of the line that passes through the following points:
1. (2,3) and (-4,7) 2. (9,0) and (9,8)
3. (-4,9) and (0,0) 4. (2,3) and (-5,3)

4. Parallel and Perpendicular Lines
Parallel slopes are _____________.
Perpendicular slopes are ______________________________.

5. Find the slope of the line that is parallel to the line that passes through the points (2,-4) and (6,7)
Find the slope of the line that is perpendicular to the line that passes through the points (0,7) and (8,0).
Find the slope of the line that is perpendicular to the line that passes through (1,2) and (-7,2).

6. Assignment
Regular: p. 142; all