Dilation, Scale Factor, Ratio
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct scale factor:
2
3
1/3
1/2
Tags
CCSS.HSG.CO.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement.
2 / 5; reduction
5 / 2; enlargement
2 / 3; reduction
3 / 2; enlargement
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the similarity transformation that maps to (dilations have a center at the origin).
a dilation with a scale factor of 2 followed by a translation 4 units right and 3 units down.
a dilation with a scale factor of 1 / 2 followed by a translation 4 units left and 3 units up.
Translation 4 units right and 3 units down followed by a dilation with a scale factor 2.
Translation 4 units left and 3 units up followed by a dilation with a scale factor 1 / 2.
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
4.
OPEN ENDED QUESTION
1 min • Ungraded
The two polygons are similar.
Find the value of x
Find the scale factor
Find the ratio of the perimeter.
Value of x: ____, Scale factor: ____, Ratio of perimeter: ____
Evaluate responses using AI:
OFF
Tags
CCSS.HSG.SRT.A.2
5.
MATH RESPONSE QUESTION
1 min • 1 pt
In the figure above, a dilation from A to A' has occurred. What is the scale factor?
Mathematical Equivalence
ON
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Choose the correct scale factor:
2
3
1/3
1/2
Tags
CCSS.HSG.CO.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what is the scale factor?
4
2
1/2
1/4
Tags
CCSS.HSG.CO.A.2
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