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Mathematics 22 Online
OpenStudy (anonymous):

How many solutions does a linear system have, if the lines are intersecting? 0 1 2 infinitely many I think it's 2...because 2 intersecting lines with 2 different plots cant share the same solution

OpenStudy (igreen):

Two lines intersecting..one solution.

OpenStudy (anonymous):

1. xD

OpenStudy (igreen):

If they're the same line, they have infinitely many. If they're parallel, they have 0.

OpenStudy (anonymous):

Weeeeell i was close >.>

OpenStudy (igreen):

If they intersect, they have 1.

OpenStudy (anonymous):

Alright thanks

OpenStudy (anonymous):

Close indeed. xD

OpenStudy (turingtest):

to maybe give you some insight as to why that means that, think of just a line|dw:1405110229381:dw|all of the points on that line are the solution to some equation of the form y=mx+b. there are infinite solutions to the equation, represented by infinite points on the line another line is another set of solutions for another equation. they intersect at *exactly one point*

OpenStudy (turingtest):

|dw:1405110330192:dw|since each point is a solution, this means there is exactly *one* solution to the system of the two equations

OpenStudy (anonymous):

Yeah, I figured after they said one. I was gonna ask ''Is the solution the spot as to where they touch?'' but I told myself I already knew the answer to that question.

OpenStudy (turingtest):

good, indeed the solution is the point where they touch

OpenStudy (anonymous):

Well, thank you :)

OpenStudy (turingtest):

welcome!

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