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Mathematics 13 Online
OpenStudy (anonymous):

Determine the equations of the four lines which all intersect each other at the point (2, 2) such that all angles between the lines are all pie/4 (or 45 degrees) and such that one line is horizontal

OpenStudy (shadowfiend):

So if one line is horizontal, what does that tell you about its equation?

OpenStudy (anonymous):

?

OpenStudy (shadowfiend):

Well, if I have a line that is horizontal, its equation does not take the same form as a regular y = mx + b equation, right?

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