Slopes of Parallel and Perpendicular Lines

Draw a nonvertical line.  Then create a line parallel to your line.  Find the slope of each line.[br][br][br][br][br]
What are your 2 slopes?
What do you notice about the 2 slopes?
Repeat the process with a new pair of lines.  [br][br][br][br]
What are your 2 slopes?
What do you notice about the 2 slopes?
Make a conjecture based on your findings.
Draw a nonvertical line.  Then create a line perpendicular to your line.  Find the slope of each line.
What are your 2 slopes?
What is the product of your 2 slopes?
Repeat the process with a new pair of lines
What are your 2 slopes?
What is the product of your 2 slopes?
Make a conjecture based on your findings.
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Information: Slopes of Parallel and Perpendicular Lines