Similarity and Transformations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
One side of a triangle on the coordinate plane is 4 units long. If it undergoes a dilation about the origin with a scale factor of 2, what will the length be?
2
4
8
16
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a triangle with the vertices A(–2, 4), B(–1, –3), and C(4, –2) were dilated, with the center of dilation at the origin and with a scale factor of 2. What will be the coordinates of C'?
(2, -1)
(8, -4)
(8, 4)
(2, 1)
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The image shows what type of transformation
Rotation
Translation
Reflection across the x axis
Reflection across the y axis
Tags
CCSS.HSG.CO.B.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following describes the sequence of transformations shown?
Reflect across the x-axis and then rotate -90 degrees around the origin
Rotate -90 degrees around the origin and then translate down.
Reflect across the x-axis and then reflect across the y-axis.
Translate up and then rotate 90 degrees about the origin.
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A triangle has vertices with coordinates (2,0), (3, -1) and (-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 the vertices of the image?
(5,3), (6,2), (1,-2)
(6,0), (9,-3), (-6,-15)
(2/3,0), (1,-1/3), (-2/3,-5/3)
(-1,-3), (0,-4), (-5,-8)
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scale factor shrinks a figure?
k = 0
k =2
k= 1/3
k = 1
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Are the following similar? Why or why not?
Yes. The ratios of the corresponding sides are equal.
No. The ratios of the corresponding sides are not equal.
Tags
CCSS.HSG.SRT.A.2
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