Solving Straight Lines Homework: Find Intersection Point

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SUMMARY

The discussion focuses on solving the intersection point of two lines defined by the equations derived from the expression "ix+(i+1)y+(i+2)=0" for i=1 and i=2. The first line, when i=1, simplifies to the equation x + 2y + 3 = 0, while the second line, when i=2, simplifies to 2x + 3y + 4 = 0. Participants clarify that substituting the values of i directly into the equation is the correct approach to find the intersection point of the two lines.

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Homework Statement


Lines li: ix+(i+1)y+(i+2)=0; i=1,2 intersect at___ point?


Homework Equations


The equation is required at first!


The Attempt at a Solution


I am confused!
How and where should I replace the values of i with 1 or 2?
This is the first step but i am unable to do...
 
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You are given "ix+(i+1)y+(i+2)=0; i=1,2". You replace those "i"s by 1 and 2!

i= 1: 1x+ (1+1)y+ (1+2)= x+ 2y+ 3= 0
i= 2: 2x+ (2+1)y+ (2+ 2)= 2x+ 3y+ 4= 0
 
Thanks!
HallsofIvy said:
You are given "ix+(i+1)y+(i+2)=0; i=1,2". You replace those "i"s by 1 and 2!

i= 1: 1x+ (1+1)y+ (1+2)= x+ 2y+ 3= 0
i= 2: 2x+ (2+1)y+ (2+ 2)= 2x+ 3y+ 4= 0
 

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