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Question 1

The rule DO,0.25 (x, y) → (0.25x, 0.25y) is applied to the segment LM to make an image of segment L'M', not shown.

Revolt · Accepted Answer

The coordinates of L' in the image are .: (–1, 2); The coordinates of M' in the image are .: (1, 2); The length, L'M', is .: 2; The slope of the original segment and dilated segment are .: both zero

Question 2

Given the pre-image ABCD and the image after a dilation, A'B'C'D', what is true about the polygons? Check all that apply.

Revolt · Accepted Answer

The length AB is 2.; The length A'B' is 3.; The scale factor is .

Question 3

Given the dilation rule DO,1/3 (x, y) → (one-third x, one-third y) and the image S'T'U'V', what are the coordinates of vertex V of the pre-image?

Revolt · Accepted Answer

(0, 3)

Question 4

The dilation DO,3 (x, y) → (3x, 3y) is performed on the pre-image △ABC to make a similar triangle. Which statements are true? Check all that apply.

Revolt · Accepted Answer

∠A corresponds to ∠A'.; ∠A'AC' corresponds to ∠B.; CB corresponds to C'A.; △ABC ~ △A'AC'.

Question 5

The dilation rule DF,3(x, y) is applied to △ABC, where the center of dilation is at F(1, 1).

Revolt · Accepted Answer

The distance in the x-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s).: 3; The distance in the y-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s).: 1; The vertex A' of the image is .: (–8, 4)

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