Dilation on the Origin
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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16 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the scale factor of this dilation?
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quad OBCD is similar to Quad OHTE because:
Quad OBCD can be reflected over the x axis and then rotated 90 degrees
Quad OBCD can be reflected over the x-axis and then dilated about point O by a scale factor of 2.
Quad OBCD can be reflected over the y-axis and then dilated about point O by a scale factor of 2.
Quad OBCD can be reflected over the y-axis and then dilated about point O by a scale factor of 1/2.
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
3.
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.8.G.A.4
CCSS.HSG.SRT.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Square A is a Dilation of Square B. What is the scale factor of the squares?
1/7
4/5
5/4
7
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or false, when a figure is dilated, the corresponding angles are congruent?
True
False
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The __________ is the ratio of a length of the image to the corresponding length on the original figure.
reduction
enlargement
scale factor
center of dilation
Tags
CCSS.7.G.A.1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dilation can produce a larger figure or a(n)______
reduction
enlargement
scale factor
center of dilation
Tags
CCSS.8.G.A.3
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