passes through (-1,2), parallel to the graph of x-3y=14

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08-09-2017
Mathematics

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passes through (-1,2), parallel to the graph of x-3y=14

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miicheap miicheap · Answer 1 · 2017-09-08T02:09:35+02:00

miicheap miicheap

08-09-2017

y= (X-14)/3 = 1/3x-14/3
2 lines are parallel when they have the same slope m = 1/3
--> equation of the line: y= 1/3x + b
(-1,2) is a point on the line, plug into the equation:
2=1/3.(-1) +b --> b= 7/3
--> y= 1/3x +7/3

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