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All transformations in this test are Dilations. What is a Dilation? Dilations red or blue enlarge or shrink dog or cat Dilations are changes caused by scale factors. Dilated by 4 -->means x4 2 4 3 x4 8 16 Dilated by 1/3----> means divide by 3 24 18 21 x 1/3 8 6 pre-image (2,6) Dilate a point by 5 x5 x5 multiply the x by 5 multiply the y by 5 (10, image ) (4,-7) pre-image Dilate by 3 ( image , ) (-9,-7) pre-image Dilate by 4 ( image , ) (8,10) pre-image Dilate by 1/2 ( image , ) (20,36) pre-image Dilate by 1/4 ( image , ) (8,-2) pre-image Dilate by 6 ( image , ) (24,42) pre-image Dilate by 1/6 ( image , ) (-4,-7) pre-image Dilate by 2 ( image , ) (-15,30) pre-image Dilate by 1/5 ( image , ) 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 B' A' C' ( ( ( , , , A ) ) ) B C Dilate by 2 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Dilate by 1/2 B' A' C' ( ( ( , , , ) ) ) B A C 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Dilate by 1/2 B' A' C' ( ( ( , , , B ) ) ) A C Dilate by 7 5 7 10 8 image dilate by 1/4 image 44 36 42 12 55 40 image Dilate by 1/5 20 image Dilate by 4 2 6 2.5 3.5 8 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 B' A' C' ( ( ( , , , B ) ) ) A Dilate by 3 C Then dilate the image by 1/3 Dilate point A by 6 What is the new image-->A'' point A ( 4,9) ( , ) |