Which pair of equations represents parallel lines?

Mathematics
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Which pair of equations represents parallel lines?

A.  y=2x+7      y=2x-7

B.  y=2x+7     y=x+7

C.  y=7          x=7

D.  y=2x-7    y=-1/2-7

Apr 26th, 2015

A. y=2x+7      y=2x-7

equations that have the same slope represent parallel lines .

both equations have a slope  = 2 the only difference is that first equation has y-intercept = 7

and second one has y-intercept  = -7



Let me know if you have any questions

Apr 26th, 2015

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Apr 26th, 2015
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Apr 26th, 2015
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