Dilations
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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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 scale factor and a center of dilation.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is the scale factor in a dilation?
Back
The scale factor is a number that scales, or multiplies, the coordinates of a figure during a dilation. A scale factor greater than 1 enlarges the figure, while a scale factor between 0 and 1 reduces it.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
How do you perform a dilation with a scale factor of 3?
Back
To perform a dilation with a scale factor of 3, multiply each coordinate of the original figure by 3.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
What are the new coordinates of point A(3,3) after dilation by a scale factor of 3?
Back
A'(9,9) - Multiply both x and y coordinates by 3.
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
What are the new coordinates of point B(6,6) after dilation by a scale factor of 3?
Back
B'(18,18) - Multiply both x and y coordinates by 3.
Tags
CCSS.8.G.A.3
6.
FLASHCARD QUESTION
Front
What are the new coordinates of point C(3,9) after dilation by a scale factor of 3?
Back
C'(9,27) - Multiply both x and y coordinates by 3.
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
What is the algebraic notation for a dilation with a scale factor of 3?
Back
(x, y) goes to (3x, 3y) - Each coordinate is multiplied by the scale factor.
Tags
CCSS.8.G.A.3
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