Rotations, Reflections & Translations Flashcards
1
Q
What is a 180 degree rotation clockwise or a rotation counter clockwise?
A
(x,y) ➡️ (-x,-y)
2
Q
What is a 270 degree rotation clockwise or a 90 degree rotation counter clockwise?
A
(x,y) ➡️ (y,-x)
3
Q
What is the rule for reflecting over the line of reflection y=x
A
(x,y) ➡️ (y,x)
4
Q
What is the rule for reflecting over the line of reflection y=-x
A
(x,y) ➡️ (-y,-x)
5
Q
What is the line y=x mean?
A
It is a line that passes through the positive y axis and positive x axis
6
Q
What does the line y=-x mean
A
It is a line that passes through the positive y axis and negative x axis
7
Q
What is a 90 degree rotation clockwise or a 270 degree rotation counter clockwise?
A
(x,y) ➡️ (-y,x)
