Similar Figures

Question 1

A has the coordinates (–4, 3) and B has the coordinates (4, 4). If DO,1/2(x, y) is a dilation of △ABC, what is true about the image △A'B'C'? Check all that apply.

Revolt · Accepted Answer

AB is parallel to A'B'.; DO,1/2(x, y) =; The distance from A' to the origin is half the distance from A to the origin.

Question 2

Question 4

Revolt · Accepted Answer

(2, 0)

Question 3

The rule for the dilation of quadrilateral QRST to the image Q'R'S'T' is DO,0.5(x, y) → (0.5x, 0.5y). What are the coordinates of Q', if Q(0, 2)? (, )

Revolt · Accepted Answer

Part 1: 0; Part 2: 1

Question 4

Triangle XYZ was dilated using the rule DO,0.25 (x, y) → (0.25x, 0.25y).The image is shown in the diagram. What are the coordinates of Z of the pre-image?

Revolt · Accepted Answer

(–8, –4)

Question 5

–401/4✔ 4

Revolt · Accepted Answer

4; Selection 1: 4

Question 6

Question 9

Revolt · Accepted Answer

1/3

Question 7

Which graph has figures that can undergo a similarity transformation to justify that they are similar?

Revolt · Accepted Answer

[Image: On a coordinate plane, 2 rectangles are shown. The...]

Question 8

Which composition of similarity transformations would map polygon ABDC to polygon A'B'D'C'?

Revolt · Accepted Answer

a dilation with a scale factor less than 1 and then a translation

Question 9

△RST is dilated with the rule DT,1/3 (x, y), where the center of dilation is T(3, –2). The distance between the x-coordinates of R and T is . The distance between the y-coordinates of R and T is . R' is from T, so the coordinates of R' are .

Revolt · Accepted Answer

3; Selection 1: 3; Selection 2: 6; Selection 3: 1 unit left, 2 units up; Selection 4: (2, 0)

Question 10

Question 14

Revolt · Accepted Answer

6

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