What is the main concept of dilation in geometry?

Understanding Dilations

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Easy

Emma Peterson
Used 1+ times
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Translating a point in a straight line
Reflecting a point across a line
Rotating a point around another point
Scaling a point up or down around another point
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If point A is 1 unit down and 2 units left from point P, where will it be after a dilation with a scale factor of 3?
6 units down and 3 units left
1 unit down and 2 units left
2 units down and 4 units left
3 units down and 6 units left
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a picture when all its points are pushed three times further from a center of dilation?
The picture expands
The picture shrinks
The picture rotates
The picture remains unchanged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the scale factor used for the dilation about the origin?
One
Three
One-third
Two-thirds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How far is point A from the origin after a dilation with a scale factor of one-third if it was originally 6 units down and 3 units right?
2 units down and 1 unit right
3 units down and 1.5 units right
6 units down and 3 units right
1 unit down and 2 units right
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