Transformations Review - Thank you, Mrs. Jordan!

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dilation?
Back
When you enlarge or reduce a shape.
2.
FLASHCARD QUESTION
Front
What is the rule for translating a point?
Back
(x, y) → (x+a , y+b)
3.
FLASHCARD QUESTION
Front
What is a translation in geometry?
Back
When you move or slide a polygon from one place to another.
4.
FLASHCARD QUESTION
Front
How do you dilate a point B by a scale factor of 3?
Back
Multiply the coordinates of point B by 3.
5.
FLASHCARD QUESTION
Front
What does it mean to reflect a shape over the y-axis?
Back
To flip the shape across the y-axis, changing the sign of the x-coordinates.
6.
FLASHCARD QUESTION
Front
What is the scale factor in dilation?
Back
The ratio by which a shape is enlarged or reduced.
7.
FLASHCARD QUESTION
Front
What is the difference between translation and dilation?
Back
Translation moves a shape without changing its size, while dilation changes the size.
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