SOLUTION: How do I determine which two equations represent parallel lines. (a)y=-7x+11 (b)y=7x+1 (c)y=1/2x+1 (d)-7x+2 Multiple choice: (a) a and b (b) b and c (c) a and c (d) a

Algebra ->  Graphs -> SOLUTION: How do I determine which two equations represent parallel lines. (a)y=-7x+11 (b)y=7x+1 (c)y=1/2x+1 (d)-7x+2 Multiple choice: (a) a and b (b) b and c (c) a and c (d) a       Log On


   



Question 82801: How do I determine which two equations represent parallel lines.
(a)y=-7x+11
(b)y=7x+1
(c)y=1/2x+1
(d)-7x+2
Multiple choice:
(a) a and b
(b) b and c
(c) a and c
(d) a and d
Please HELP!!!

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a and d both have a slope of -7
They are parallel.
Cheers,
Stan H.