SOLUTION: How can I tell which of these equations have parallel lines? I am supposed to circle the letters of the ones that are parallel. a. y=2/3x+2 b. y=-2/3x+2 c. y=2/3x-4 d. y=3/2x+

Algebra ->  Graphs -> SOLUTION: How can I tell which of these equations have parallel lines? I am supposed to circle the letters of the ones that are parallel. a. y=2/3x+2 b. y=-2/3x+2 c. y=2/3x-4 d. y=3/2x+      Log On


   



Question 856098: How can I tell which of these equations have parallel lines? I am supposed to circle the letters of the ones that are parallel.
a. y=2/3x+2
b. y=-2/3x+2
c. y=2/3x-4
d. y=3/2x+2

Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
the slope intercept form of the equation of a straight line is y = mx + b.
m is the slope.
b is the y-intercept.

parallel lines have the same slope and a different y-intercept.
option a and c have the same slope but a different y-intercept, so they are parallel.