Dilations and Similarity Transformations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What will the new coordinates of D(4,6) be after a dilation centered at the origin with a scale factor of 1/2
D'(2,6)
D'(4,3)
D'(-2,-3)
D'(2,3)
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the statements is true about the graphed triangles?
They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Pentagon ABCDE is similar to Pentagon RYMNT. Which of the following is correct.
∠C ≅ ∠M
∠T ≅ ∠E
∠Y ≅ ∠B
∠A ≅ ∠M
∠C ≅ ∠R
Tags
CCSS.HSG.SRT.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quadrilateral KMPT is dilated by a scale factor of 3/4 to create quadrilateral K'M'P'T. The perimeter of quadrilateral KMPT is x units. What is the perimeter in units of quadrilateral K'M'P'T'?
x units
3/4x units
(3/4)^2x units
4/3x units
Tags
CCSS.7.G.A.1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle is dilated by a scale factor of ⅓ to produce a new triangle. Which of the following best describes the relationship between the perimeter of the original triangle compared to the perimeter of the new triangle?
The perimeter of the new triangle is ⅓ that of the original triangle
The perimeter of the new triangle is 3 times that of the original triangle.
The perimeter of the new triangle is 1/9 that of the original triangle.
The perimeter of the new triangle is 9 times that of the original triangle
Tags
CCSS.7.G.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4 . Which describes the relationship between the two triangles?
Triangle A'B'C' is an enlargement of triangle ABC
Triangle A'B'C' is a reduction of triangle ABC
Triangle A'B'C' is a mirror image of triangle ABC
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given square RSTV, where RS 9 cm. If square RSTV is dilated by a scale factor of 3 about a given center, what is the perimeter, in centimeters, of the image of RSTV after the dilation?
12
27
36
108
Tags
CCSS.7.G.A.1
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