
Dilations and Similarity
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has vertices with coordinates A(2,0), B(3, -1) and C(-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of C'?
(1,-2)
(-6,-15)
(-2/3,-5/3)
(-5,-8)
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct scale factor:
2.5
1.5
3.5
4
Tags
CCSS.7.G.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The two triangles are similar. Solve for X.
2 ft
3 ft
4 ft
6 ft
Tags
CCSS.HSG.SRT.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ~ B. What is the scale factor of the dilation of A to B?
3
4
Tags
CCSS.8.G.A.3
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a dilation or a sequence of rigid motions and dilations
center of dilation
reflection
similarity transformation
rigid motion
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the scale factor from triangle ABC to triangle DEF?
1/2
7/3
2/1
10/3
Tags
CCSS.7.G.A.1
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