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.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.The vertices of the image are farther from the origin than those of the pre-image.A'B' is greater than AB.

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

–2012

Revolt · Accepted Answer

2

Question 3

([___], [___])

Revolt · Accepted Answer

112578; 112579; 0

Question 4

the center of dilation is not at (0, 0)the coordinate G should be at (–1, 0)the corresponding sides are not parallelAC and EG are corresponding sides

Revolt · Accepted Answer

the corresponding sides are not parallel

Question 5

0234

Revolt · Accepted Answer

3; The distance between the x-coordinates of R and T is .: 3; The distance between the y-coordinates of R and T is .: 6; R' is from T, so the coordinates of R' are .: 1 unit left, 2 units up; R' is from T, so the coordinates of R' are .: (2, 0)

Question 6

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 7

–401/44

Revolt · Accepted Answer

4; The slope of AC is .: 4; The slope of EG is .: 2; The polygons are not dilations of each other because .: the corresponding sides are not parallel

Question 8

Given △ABC, use a dilation with the center at the origin to make a similar triangle with side lengths three times as large. What are the coordinates of C' of the image?

Revolt · Accepted Answer

(6, –3)

Question 9

[___]

Revolt · Accepted Answer

1/3

Question 10

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...]

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