shows the image of (D2 • Ry-axis)(4, -3)?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 22E
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Question
shows the image of (D2 Ry-axis)(4, -3)?
y
y
4
(4,-3)
(4,-3)
-6
-6
-8
y
y
6.
-4
(4,-3)
4
(4,-3)
6
6
-8
Re
PIC COLLAGE
4.
4.
4.
do
Transcribed Image Text:shows the image of (D2 Ry-axis)(4, -3)? y y 4 (4,-3) (4,-3) -6 -6 -8 y y 6. -4 (4,-3) 4 (4,-3) 6 6 -8 Re PIC COLLAGE 4. 4. 4. do
Expert Solution
Step 1

D2Ry-axis4,-3 this means 4,-3will be reflected over the y-axis. And then it will be dilated by 2.

The formula for reflection over the y-axis is : Ry-axisx, y-x,y.

The formula for dilation by k is: Dkx, y=kx, ky.

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