Linear relation scatter plot

1) Find the slope of the line through the points (5, 7) and (4, 7)

2) Find the slope of the line through the points (4, 8) and (4, 5)

3) Find the slope of the line through the points (5, 1) and (-2, 3).

 4) find the equation of the line through the points (2, 2) and (4, 10).

5) Find f (-2) for the following piecewise function.

6) What is the equation of the line between the points (2, 8) and (3, 2)?

7)  What is the slope of the line that is perpendicular to y = 3x – 3?

8)  What is the slope of the line that is parallel to y = 2x – 3?

9) Write the equation of the line with m = 4 and b = -2

10) What is the equation of the line between the points (2, 8) and (3, 2)?