Slope Worksheets With Answers - Chapter 4.4 Parallel And Perpendicular Lines Page 15
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404-4 Parallel and Perpendicular Lines
(4, 2), y = 3x + 5
The slope of the line with equation y = 3x + 5 is 3. The slope of the perpendicular line is the opposite reciprocal of 3,
or
.
Write an equation in slope-intercept form for a line perpendicular to the graph of the equation that passes
through the x-intercept of that line.
The slope of the equation is
, so the slope of the perpendicular line would be the opposite reciprocal, or 2. Find
the x-intercept.
Use the x-intercept ( 8, 0) and the slope, 2, to find the perpendicular line.
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