SOLUTION: Which 2 are parallel when graphed? a)y=1/3x+5 - y=1/3x-1 b)y=2x-1 - y=-2x+5 c)y=3x+4 - y=1/3x+1 d)y=4x-1 - y=1/4x+3 e)y=x+3 - y=5x+3 I couldnt find where to put this its fro

Question 196992: Which 2 are parallel when graphed?
a)y=1/3x+5 - y=1/3x-1
b)y=2x-1 - y=-2x+5
c)y=3x+4 - y=1/3x+1
d)y=4x-1 - y=1/4x+3
e)y=x+3 - y=5x+3
I couldnt find where to put this
its from exam review
Thanks!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Which 2 are parallel when graphed?
a)y=1/3x+5 - y=1/3x-1
b)y=2x-1 - y=-2x+5
c)y=3x+4 - y=1/3x+1
d)y=4x-1 - y=1/4x+3
e)y=x+3 - y=5x+3
--------------------
Check the slopes. The lines will be parallel if the slopes are equal.
Ans: y = (1/3)x+5 ; y = (1/3)x-1
Both have a slope of (1/3)
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Cheers,
Stan H.
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