Dilation & Scale Factor
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is dilation in geometry?
Back
Dilation is a transformation that alters the size of a figure but not its shape, using a center point and a scale factor.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, the dimensions of a figure during a dilation.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If a scale factor is greater than 1, what happens to the figure?
Back
The figure becomes larger.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
If a scale factor is less than 1, what happens to the figure?
Back
The figure becomes smaller.
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
How do you find the coordinates of a point after dilation?
Back
Multiply each coordinate of the original point by the scale factor.
Tags
CCSS.8.G.A.3
6.
FLASHCARD QUESTION
Front
What are the coordinates of point A(3, 4) after a dilation with a scale factor of 2?
Back
A' (6, 8) because 3*2 = 6 and 4*2 = 8.
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
What are the coordinates of point B(5, 10) after a dilation with a scale factor of 1/2?
Back
B' (2.5, 5) because 5*1/2 = 2.5 and 10*1/2 = 5.
Tags
CCSS.8.G.A.3
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