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Mathematics 19 Online
OpenStudy (anonymous):

How can I show that there are infinitely many different lines in the xy-plane?

OpenStudy (anonymous):

Hint: A line can be defined using 2 points.

OpenStudy (anonymous):

|dw:1413430170974:dw|

OpenStudy (anonymous):

@abtster @cody7744 @mathmath333 Help?

OpenStudy (mathmath333):

a plane has infinite xy co-ordinates so there will be infinite lines

OpenStudy (anonymous):

There are infenitely many points in the plane So if you pick some point A in the plane, there are infenitely many onther points to form different pairs with Each pair defines a unique line So there are infinitely many lines in the plane

OpenStudy (anonymous):

so if i would have to show how that works i can just graph this |dw:1413946281507:dw| @abtster @mathmath333

OpenStudy (mathmath333):

|dw:1413946291916:dw| this will also work

OpenStudy (mathmath333):

since it is\[ \infty\]

OpenStudy (anonymous):

Thank you!

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