Elsalene Akkerman
Writing Assignment Graphing Linear Functions
Stacey Barth
Algebra 2
Thursday, November 23, 2017
1.
(4,6) and (-1,2)
m = (2-6) / (-1-4) = -4/-5 = 0.8
b = ?
Y = 0.8x + b
6 = 0.8(4) + b
6 = 3.2 + b
-3.2 -3.2
b = 2.8
Y = 0.8x + 2.8

2.
(3,5) and (3,8)
m = (8-5) / (3-3) = -3/0 = undefined