Straight-Line Equations

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It is highly recommended that you have Javascript enabled; many features will not work unless you do. The recommended browsers are Firefox and Chrome; the board is also NOT mobile-friendly.

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If you were referred by someone (ex. me, Jessica) please put their username in the referral box on the registration page. Ask them if you don't know their username.

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Straight-Line Equations

Post Number: #1 by Jessica » March 16th, 2011, 10:25 pm

Slope-Intercept Form
Parallel and Perpendicular Lines

two lines...

if the slopes are equal, they are parallel
if they are opposite reciprocals, they are perpendicular
if they are equal AND the y-int are equal, they are the same line