SOLUTION: find the value of "a" such that the graphs of 4y = ax+2 and 1/5y = 1/4x+ 7 are parallel

SOLUTION: find the value of "a" such that the graphs of 4y = ax+2 and 1/5y = 1/4x+ 7 are parallel

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Question 37995: find the value of "a" such that the graphs of 4y = ax+2 and 1/5y = 1/4x+ 7 are parallel
Answer by ilana(307) (Show Source): You can put this solution on YOUR website!
Parallel lines have the same slope. If we put the lines in slope intercept form, y=mx+b, then m should be the same in both. 4y = ax+2, so y=(a/4)x+1/2.
1/5y = 1/4x+ 7, so y=(5/4)x+35. So a/4=5/4, so a=5.
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