What is a transformation in geometry?
PRE-A- FINAL EXAM

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Mathematics
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A transformation is an operation that moves or changes a shape in some way to produce a new shape, called the image.
2.
FLASHCARD QUESTION
Front
What does it mean to translate a graph?
Back
To translate a graph means to shift it horizontally and/or vertically without changing its shape or orientation.
3.
FLASHCARD QUESTION
Front
What are the effects of translating a graph up or down?
Back
Translating a graph up increases the y-coordinates of all points, while translating it down decreases the y-coordinates.
4.
FLASHCARD QUESTION
Front
What are the effects of translating a graph left or right?
Back
Translating a graph left decreases the x-coordinates of all points, while translating it right increases the x-coordinates.
5.
FLASHCARD QUESTION
Front
How do you reflect a point over the x-axis?
Back
To reflect a point (x, y) over the x-axis, change the sign of the y-coordinate to get (x, -y).
6.
FLASHCARD QUESTION
Front
How do you reflect a point over the y-axis?
Back
To reflect a point (x, y) over the y-axis, change the sign of the x-coordinate to get (-x, y).
7.
FLASHCARD QUESTION
Front
What is the new position of point J(0, 1) after translating it 5 units left and 2 units up?
Back
The new position is J'(-5, 3).
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