8-28
1. Graph the following lines
a. y = 3x + 1 b. y =- -2x + 4 c. y = 5 d. x = 2
2.Find the slopes between the following pairs of points
a. (1, 2), (3, 5) b. (3, 4), (8, 4) c. (2, 6), (5, 1) d. (2, 1), (2, 5).