What is a translation in geometry?
Transformations - 8th Grade

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A translation is a transformation that moves every point of a figure the same distance in the same direction.
2.
FLASHCARD QUESTION
Front
How do you translate a point (x, y) right by a units and up by b units?
Back
The new coordinates will be (x + a, y + b).
3.
FLASHCARD QUESTION
Front
What is the rule for translating a point left by 3 units and down by 2 units?
Back
The rule is (x - 3, y - 2).
4.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected across the x-axis?
Back
The y-coordinate changes sign, resulting in (x, -y).
5.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point when it is reflected across the y-axis?
Back
The x-coordinate changes sign, resulting in (-x, y).
6.
FLASHCARD QUESTION
Front
What is dilation in geometry?
Back
Dilation is a transformation that changes the size of a figure but not its shape, using a scale factor.
7.
FLASHCARD QUESTION
Front
If a point (x, y) is dilated by a scale factor of k, what are the new coordinates?
Back
The new coordinates will be (kx, ky).
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