Reflections and Rotations Flashcards
1
Q
reflection across the x-axis
A
(x, y) → (x, -y)
2
Q
reflection across the y-axis
A
(x, y) → (-x, y)
3
Q
reflection across the y=x
A
(x, y) → (y, x)
4
Q
reflection across the y=-x
A
(x, y) → (-y, -x)
5
Q
90° rotation
A
(x, y) → (-y, x)
6
Q
180° rotation
A
(x, y) → (-x, -y)
7
Q
270° rotation
A
(x, y) → (y, -x)
