Slope Worksheets With Answers - Chapter 4.4 Parallel And Perpendicular Lines Page 25
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404-4 Parallel and Perpendicular Lines
The two bones are parallel because their slopes are both
.
In the ruins of an ancient civilization, an archaeologist found pottery at (2, 6) and hair
accessories at (4, 1). A pole is found with one end at (7, 10) and the other end at (14, 12). Is the pole perpendicular
to the line through the pottery and the hair accessories? Explain.
Find the slope of the line through the pottery and hair accessories.
Find the slope of the pole.
The slope of the line through the pottery and hair accessories is
. They are
opposite reciprocals, so they are perpendicular.
To create a design on a computer, Andeana must enter the coordinates for points on the design. One
line segment she drew has endpoints of ( 2, 1) and (4, 3). The other coordinates that Andeana entered are (2, 7)
and (8, 3). Could these points be the vertices of a rectangle? Explain.
Find the slope of the first line segment she drew.
Find the slope of the line segments that would be drawn between the other coordinates Andeana entered.
Page 25
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