Slope Worksheets With Answers - Chapter 4.4 Parallel And Perpendicular Lines Page 10
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40The slope of y = 6x + 4 is 6. The slope of y =
is
. The slopes are opposite reciprocals, so y = 6x + 4 and y
4-4 Parallel and Perpendicular Lines
=
On a map, Elmwood Drive passes through R(4, 11) and S(0, 9), and Taylor Road passes through J(6, 2)
and K(4, 5). If they are straight lines, are the two streets perpendicular? Explain.
Find the slope of Elmwood Drive (
).
Find the slope of Taylor Road (
).
The two streets are not perpendicular because their slopes are not opposite reciprocals.
CCSS PERSEVERANCE Determine whether the graphs of the following equations are parallel or
perpendicula r. Explain.
2x
8y = 24, 4x + y = 2, x
4y = 4
Write the equations in slope-intercept form.
The slope of 2x
8y = 24 is
.
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