What are dilations, similarity and scale factors

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Mathematics
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8th - 9th Grade
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following transformations does not alter the size of a figure?
Enlargement
Reduction
Reflection
Dilation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a dilation in terms of transformations?
A transformation that changes the position of a figure
A transformation that changes the color of a figure
A transformation that changes the orientation of a figure
A transformation that changes the size of a figure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the scale factor for an enlargement?
Equal to 0
Less than 1
Equal to 1
Greater than 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a figure is reduced in size, what can be said about its scale factor?
It is equal to 1
It is equal to 0
It is greater than 1
It is less than 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What remains unchanged in a dilation?
The size of the figure
The shape of the figure
The color of the figure
The position of the figure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the practical example, what is the starting point for the dilation?
The vertex
The origin
The midpoint
The endpoint
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used for a figure that is the same shape but not necessarily the same size as the original?
Similar
Equivalent
Congruent
Identical
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