SOLUTION: Parallel and Perpendicular Slope Please help me solve this equation: Which lines are parallel? a.x=7 b.y=5/6x+8 c.y=5/6x-4 d.x=9

Algebra ->  Linear-equations -> SOLUTION: Parallel and Perpendicular Slope Please help me solve this equation: Which lines are parallel? a.x=7 b.y=5/6x+8 c.y=5/6x-4 d.x=9      Log On


   



Question 208429: Parallel and Perpendicular Slope
Please help me solve this equation: Which lines are parallel?
a.x=7
b.y=5/6x+8
c.y=5/6x-4
d.x=9

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Which lines are parallel?
a.x=7
b.y=5/6x+8
c.y=5/6x-4
d.x=9
.
'a' and 'd' are parallel
(both are vertical lines)
AND
'b' and 'c' are parallel
(by inspection, because of slope-intercept form y=mx+b -- both have the same slope of 5/6)