Dilations on the Coordinate Plane (8th)
Flashcard
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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a dilation in the context of the coordinate plane?
Back
A dilation is a transformation that alters the size of a figure on the coordinate plane by a scale factor, while maintaining the shape and the relative positions of the points.
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 determines how much a figure is enlarged or reduced during a dilation. A scale factor greater than 1 indicates enlargement, while a scale factor between 0 and 1 indicates reduction.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
How do you find the coordinates of a point after dilation?
Back
To find the coordinates of a point after dilation, multiply each coordinate of the original point by the scale factor.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
If point A(3, 6) is dilated by a scale factor of 2, what are the new coordinates?
Back
The new coordinates of A' are (6, 12).
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is dilated by a scale factor of 1/2?
Back
The coordinates of the point are multiplied by 1/2, resulting in a reduction in size.
Tags
CCSS.8.G.A.3
6.
FLASHCARD QUESTION
Front
What are the coordinates of point B(-3, 2) after dilation by a scale factor of 1/2?
Back
The new coordinates of B' are (-1.5, 1).
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
If triangle ABC has vertices A(2, 4), B(4, 8), and C(6, 12), what are the coordinates of C' after a dilation by a scale factor of 1/2?
Back
The coordinates of C' are (3, 6).
Tags
CCSS.8.G.A.3
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