5 6 Parallel And Perpendicular Lines Page 3
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3Name: __________________________________
5-6 Parallel and Perpendicular Lines
(continued)
Step 1: Identify the slope of the given line. The slope of the graph of y = 2x + 1 is __________.
Step 2: Find the opposite reciprocal of the slope from Step 1. The opposite reciprocal is __________.
So, the perpendicular line has a slope of __________.
Step 3: Write an equation in slope-intercept form of the line that passes through (1, 8) with the slope __________.
y – y
= m(x – x
)
Start with point-slope form.
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1
Substitute the slope for m and the given point for (x
, y
)
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1
Distributive Property
Solve for y.
Example: 3. Write an equation in slope-intercept form of the line that passes through point (6, 0) and is perpendicular to
3
the graph of �� =
�� − 6.
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