Answers

2015-05-06T20:15:17+08:00
(y-y1)=m(x-x1)
y-2/5=4(x+1/3)
y-2/5=4x+4/3
y-2=20x+20/3
-20x+y-2-20/3=0
=20x-y+(14/3)
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