question

Line segment XY is dilated to create line segment X'Y' using point T as the center of dilation.
What is YT?

answer

c. 12 units

question

Rectangle WXYZ was dilated using the rule D Z,12/5
What is W'X'?

answer

c. 12 units

question

Triangle QRS was dilated using the dilation rule D P, 4.
What is PR'?

answer

c. 12 units

question

Triangle TUV was dilated to create triangle T'U'V' using point A as the center of dilation.
What is the scale factor of the dilation?

answer

a. 2/5

question

Jeremy wants to verify that the transformation shown is a dilation. He finds the lengths of segments QA and AD to be 4 units.
To verify that the transformation is a dilation, Jeremy should also check which of the following? Check all that apply.

answer

QB = 1/2 QE
QC = CF
DE = 2AB

question

Triangle JKL was dilated using the rule D M, 1/3. The image, triangle J'K'L', is the result of the dilation.
What is L'L?

answer

a. 5 units

question

The perimeter of triangle ABC is 13 cm. It was dilated to create triangle A'B'C'.
The perimeter of triangle is ____ cm.

answer

52

question

What is the scale factor of the dilation of line segment BA?

answer

d. 5

question

Line segment AB was dilated to create line segment A'B' using the dilation of D Q, 0.15.
What is x, the distance between points A and A'?

answer

c. 13.6 units

question

Which statements justify that the dilation of triangle STU is an enlargement increasing its size by the magnitude of the scale factor? Check all that apply.

answer

The triangle pre-image is closer to the point of dilation than the image.
The value of the scale factor, 6, is greater than 1.

question

Line segment AB is dilated to create line segment A'B' using point Q as the center of dilation.
What is the scale factor?

answer

c. 2

question

Sylvia enlarged a photo to make a 24 x 32 inch poster using the dilation D Q, 4. What are the dimensions, in inches, of the original photo?

answer

b. 6 x 8

question

Triangle ABC was dilated using the rule D O, 4. Triangle A'B'C' is the result of the dilation.
What is OB'?

answer

b. 3 units

question

Dilation D v, 2/5 was performed on a rectangle. How does the image relate to the pre-image? Check all that apply.

answer

The image is a reduction because n<1
The side lengths of the image are two fifths the size of the corresponding side lengths of the pre-image.
The base of the image is two fifths the size of the base of the pre image.