Rules
Ta,b(x,y)=(x+a,y+b)
What is a Translation?
(-3,4) rotated 180 degrees
What is (3,-4)?
the image of point (-5,2) under the T3,-4
What is (-2,-2)?
(6,6) under a dilation of D1/3
What is (2,2)?
This transformation is not a rigid motion
What is a dilation?
R(x,y)=(-y,x)
What is a rotation of 90 degrees?
(5,1) rotated 90 degrees
What is (-1,5)?
the image of point (-2,3) under T5,-4
What is (3,-1)?
(3,1) under a dilation of 2
A rigid motion does this
Dk(x,y)=(kx,ky)
What is a dilation
(2,-4) rotated 270 degrees
What is (-4,-2)?
the image of (3,-5) under T-2,-2
What is (2,-7)?
(-8,4) under D1/4
What is (-2,1)?
A movie projector enlarging an image is an example of this
What is a dilation?
R(x,y)=(y,-x)
What is a rotation of 270 degrees?
(-7,-4) rotated 270 degrees
What is (-4,7)?
the image of (-3,-2) under T-1,5
What is (-4,3)?
(-6,3) under a dilation of 3
What is (-18,9)?
A mirror image is produced by this
R(x,y)=(-x,-y)
What is a rotation of 180 degrees?
(-1,9) rotated both 90 and 180 degrees
What is (-9,-1) and (1,-9)?
the image of (4,-7) under T-7,4
What is (-3,-3)
(4,-2) under a dilation of 1/3
What is (4/3, -2/3)?
270 degrees counterclockwise is congruent to this
What is 90 degrees clockwise?