Line Dilations

Flashcard
•
Mathematics
•
9th - 10th Grade
•
Hard
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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 and a center of dilation.
2.
FLASHCARD QUESTION
Front
What does the scale factor in a dilation represent?
Back
The scale factor indicates how much larger or smaller the image will be compared to the original figure. A scale factor greater than 1 enlarges the figure, while a scale factor between 0 and 1 reduces it.
3.
FLASHCARD QUESTION
Front
How does dilation affect the slope of a line?
Back
The slope of a line remains unchanged during a dilation; only the position of the line may change.
4.
FLASHCARD QUESTION
Front
What happens to the y-intercept of a line during a dilation?
Back
The y-intercept of a line may change during a dilation, depending on the scale factor and the center of dilation.
5.
FLASHCARD QUESTION
Front
If a line segment is dilated by a scale factor of 2, what can be said about the lengths of the original and the image line segments?
Back
The image line segment will be twice the length of the original line segment.
6.
FLASHCARD QUESTION
Front
What is the relationship between two line segments that are dilated from the same center?
Back
The two line segments will be parallel to each other.
7.
FLASHCARD QUESTION
Front
How do you find the length of a line segment after dilation?
Back
To find the length of a line segment after dilation, multiply the original length by the scale factor.
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