SOLUTION: Here's a problem that I have no idea where to start or how to continue. Given the three concurrent lines, L1,L2,L3, whose equations are as follows, find the value(s) of K. L1

Algebra ->  Length-and-distance -> SOLUTION: Here's a problem that I have no idea where to start or how to continue. Given the three concurrent lines, L1,L2,L3, whose equations are as follows, find the value(s) of K. L1      Log On


   



Question 1063645: Here's a problem that I have no idea where to start or how to continue.
Given the three concurrent lines, L1,L2,L3, whose equations are as follows, find the value(s) of K.
L1: 3x-2y-12=0
L2: 4x+3y+1=0
L3: 5x-4ky+3k=0

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Concurrent means they all intersect at the same point.
Find the intersection point of the first two lines then use it to find k.
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So the intersection point is (2,-3),
5%282%29-4k%28-3%29%2B3k=0
10%2B12k%2B3k=0
15k=-10
k=-2%2F3
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