Objective: I will use slopes and equations of lines to investigate parallel and perpendicular lines. (G.2C)
Essential Question: Can two lines have positive slopes AND be perpendicular to each other? Defend your reasoning.
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Exploring Further
Note sure about slope, point-slope form and other forms for equations of lines? Watch these video refreshers.
Save the Zogs - A fun game that starts with very simple equations of lines and works you through the more complex forms. Playable on Tablets (with flashplayer installed) and PC's. Watch a video of Mrs. Overman playing Save the Zogs.
Cockroach and Algebra Game - a fun game that helps you practice equations of lines. Free access on computers but not mobile devices.