
To graph: The image of the

Answer to Problem 21PPS
The image of the polygon is shown in figure (2).
Explanation of Solution
The coordinates of the polygon are:
J(−8, 0)K(−4, 4)L(−2, 0)
The graph of ΔJKL is shown below.
Figure (1)
The scale factor is 0.5 .
The new coordinate are (x,y)→(kx, ky) . So,
J(−8, 0)→J′(−4, 0)K(−4, 4)→K′(−2, 2)L(−2, 0)→L′(−1, 0)
The graph of the new
Figure (2)
Therefore, the image of the polygon is shown in figure (2).
Chapter 9 Solutions
Geometry, Student Edition
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