Dilations and Scale Factor #1
8th Grade
•10 Qs
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Dilations and Scale Factor #1
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Joe Toney
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the scale factor of a dilation that enlarges a shape by a factor of 3?
4
3
5
2
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the original dimensions of a rectangle are 4 cm by 6 cm, what are the new dimensions after a dilation with a scale factor of 2?
2 cm by 3 cm
6 cm by 8 cm
10 cm by 14 cm
8 cm by 12 cm
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle has a base of 8 cm and a height of 5 cm. If it is dilated with a scale factor of 0.5, what are the new dimensions?
The new dimensions of the triangle are a base of 10 cm and a height of 6.25 cm.
The new dimensions of the triangle are a base of 6 cm and a height of 3.5 cm.
The new dimensions of the triangle are a base of 2 cm and a height of 1.25 cm.
The new dimensions of the triangle are a base of 4 cm and a height of 2.5 cm.
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the scale factor of a dilation that reduces a shape by a factor of 0.75?
0.25
1.25
0.5
0.75
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the original dimensions of a square are 10 cm by 10 cm, what are the new dimensions after a dilation with a scale factor of 1.5?
15 cm by 15 cm
12.5 cm by 12.5 cm
20 cm by 20 cm
5 cm by 5 cm
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rectangle has a length of 12 cm and a width of 8 cm. If it is dilated with a scale factor of 0.8, what are the new dimensions?
The new dimensions are 9.6 cm by 6.4 cm.
The new dimensions are 10.2 cm by 6.8 cm.
The new dimensions are 8.4 cm by 5.6 cm.
The new dimensions are 11.5 cm by 7.7 cm.
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A shape is dilated with a scale factor of 2.5. If the original area of the shape is 36 square units, what is the new area?
324
144
225
90
Tags
CCSS.7.G.A.1
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