Slope.notebook
Write the equation of the line in slope­intercept form. October 17, 2016
10/17
Parallel and Perpendicular
Investigation
EOC: Find the slope of the line:
E) How can you tell if two equations will have parallel lines?
F) How can you tell if two equations will have perpendicular lines?
G) Will y = 2x and y = ­2x be parallel, perpendicular, or neither? Explain.
Click on the boxes to reveal the slope
Original Slope
Parallel Slope
Perpendicular Slope
is undefined
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Slope.notebook
October 17, 2016
Are the lines parallel,
perpendicular, or neither?
y = 2x - 5
y = 2x + 3
They are parallel
because
the slopes are the
Are the lines parallel, perpendicular
or neither?
The lines are perpendicular
to each other because the
slopes are opposites and
reciprocals of each other.
same.
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Slope.notebook
October 17, 2016
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