What is dilation in geometry?
Dilation and Scale factor
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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Dilation is a transformation that alters the size of a figure but keeps its shape, using a center point and a scale factor.
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.
3.
FLASHCARD QUESTION
Front
If the scale factor is greater than 1, what happens to the figure?
Back
The figure enlarges.
4.
FLASHCARD QUESTION
Front
If the scale factor is between 0 and 1, what happens to the figure?
Back
The figure shrinks.
5.
FLASHCARD QUESTION
Front
What is the algebraic notation for a dilation with a scale factor of 2?
Back
(x, y) → (2x, 2y)
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