Determine whether the lines 12x+3y=3 and y= 4x+ 1 are parallel, intersect,or coincide

asked Aug 5, 2017 182k views

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1 vote

simplify first one
divide by 3
4x+y=1

slope for ax+by=c is -a/b
-4/1=-4

2nd one
y=4x+1
slope=4

-4 and 4
they are not paralell
they intersect

Hafichuk answered Aug 12, 2017

7.2k points

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