Dilations Transformations of Triangles
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Triangle DEF is similar to triangle ABC. What is a sequence of transformations that maps triangle ABC to triangle DEF?
Reflection then rotation
Rotation then dilation with scale factor of 2
Rotation then dilation with scale factor of 0.5
Rotation then translation
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Are LMN and DEF similar?
Yes
No
Tags
CCSS.HSG.SRT.B.5
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ΔOBC is similar to ΔOGT because: (choose the best answer)
ΔOBC can be dilated about point O by a scale factor of 1/2, and then rotated 90 degrees about point O.
ΔOBC can be dilated about point G by a scale factor of 1/2, and then reflected over the x- axis
They aren't similar
They map to each other with similarity transformations.
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
5.
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
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the scale factor of this dilation?
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The pair of figures is similar. Find the missing side.
x = 20
x = 12
x = 5
x = 4
Tags
CCSS.HSG.SRT.A.2
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