DILATIONS
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A dilation is a transformation that alters the size of a figure but not its shape, using a scale factor.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is a scale factor in dilation?
Back
The scale factor is a number that describes how much a figure is enlarged or reduced during a dilation.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
If a triangle is dilated by a scale factor of 2, what happens to its size?
Back
The triangle will be enlarged to twice its original size.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
What are the coordinates of a point (x, y) after dilation by a scale factor of k?
Back
The new coordinates will be (kx, ky).
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
How do you determine if a dilation is an enlargement or a reduction?
Back
If the scale factor is greater than 1, it is an enlargement; if it is less than 1, it is a reduction.
Tags
CCSS.8.G.A.3
6.
FLASHCARD QUESTION
Front
What is the scale factor if triangle A is dilated to triangle B with sides in the ratio 3:4?
Back
The scale factor is .
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
How do you find the coordinates of a dilated point B(2, 3) by a scale factor of 3?
Back
Multiply the coordinates by the scale factor: B' = (2*3, 3*3) = (6, 9).
Tags
CCSS.8.G.A.3
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