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Perpendicular Line
Two lines are considered perpendicular when the slopes are reciprocals of one another.
Example: 2/3 and -3/2
Slope intercept form
Y=mx+b
Interpret and predict
the effects of changing slope
in applied situations
Example 2
Find the slope and the y-intercept
Example 1
1.)Slope=4/5
y-intercept=9
2.) Slope=6
y-intercept=8
3.) Slope= 890
y-intercept=496
Write the slope intercept form of each equation
Answer
Slope=1
Y-intercept= -1
Slope intercept form: Y= 1x-1
Khan Academy Video
http://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/more-analytic-geometry/v/equations-of-parallel-and-perpendicular-lines
Created by Heather Terry, Julia Scharbach,Ariel Olson, and Noel Hopkins
Parallel Line
Two lines are considered parallel when the two slopes are completely alike.
Example: 9/10 and 9/10
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