Chapter 7 Flashcards
(12 cards)
1
Q
Transformations
A
The movement of one image onto another
2
Q
3 Transformations
A
- Translation
- Rotation
- Reflection
3
Q
Preimage
A
The original image
4
Q
Image
A
Image after the transformation
5
Q
Isometry
A
A transformation that preserves length
And < measures, ll lines, distances
6
Q
Reflection on the x-axis
A
(x,y) —> (x,-y)
7
Q
Reflection on the y-axis
A
(x,y) —> (-x,y)
8
Q
Reflection on line y=x
A
(x,y) —> (y,x)
9
Q
Rotation
A
When a figure is turned about a fixed position
Center of rotation
10
Q
Rotation 90 clockwise
A
(x,y) —> (y,-x)
11
Q
Rotation 90 counterclockwise
A
(x,y) —> (-y,x)
12
Q
Rotation 180 clockwise
A
(x,y) —> (-x,-y)
