7) through: (-4,-4), parallel to y=x-1
9) through: (-4,-4), parallel to y=-
y=-x-4
11) through: (5,-2), perp. to y=-x-5
13) through: (-2, 5), perp. to y = x + 2
8) through: (1,0), parallel to y=2x-1
10) through: (5.5), perp. to y
12) through: (3,-2), perp. to y ==
14) through: (-4, 0), perp. to y = -x-2