If the distance from the center of dilation to one line is 9, and the distance from the center of dilation to a parallel line is 2.5, what scale factor should be used to map the first line onto the second? 1. The scale factor is equal to half the distance to the original image, 9/2=4.5 2. The scale factor is the distance of the original image, 2.5x9=22.5 3. The scale factor is the distance of the mapped image over the distance of the original image, 2.5/9=0.28 4. The scale factor is the distance of the original image over the distance of the mapped image, 9/2.5=3.6
If the distance from the center of dilation to one line is 9, and the distance from the center of dilation to a parallel line is 2.5, what scale factor should be used to map the first line onto the second? 1. The scale factor is equal to half the distance to the original image, 9/2=4.5 2. The scale factor is the distance of the original image, 2.5x9=22.5 3. The scale factor is the distance of the mapped image over the distance of the original image, 2.5/9=0.28 4. The scale factor is the distance of the original image over the distance of the mapped image, 9/2.5=3.6
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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If the distance from the center of dilation to one line is 9, and the distance from the center of dilation to a parallel line is 2.5, what scale factor should be used to map the first line onto the second?
1. The scale factor is equal to half the distance to the original image, 9/2=4.5
2. The scale factor is the distance of the original image, 2.5x9=22.5
3. The scale factor is the distance of the mapped image over the distance of the original image, 2.5/9=0.28
4. The scale factor is the distance of the original image over the distance of the mapped image, 9/2.5=3.6
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