1.
2.
3.
a.
1
-x + y + 11 = 0
(6, 12)
b.
7
-7x + y + 12 = 0
(1.5, -1.75)
c.
-8
8x + y + 12 = 0
(2, 10)
d.
20
-20x + y + 34 = 0
(-1, -10)
e.
0.25
-x + 4y − 4 = 0
(16, 4)
f.
-0.75
3x + 4y − 9 = 0
(-2, 1)