The original figure before a transformation
What is Preimage?
Describe the translation.
Left 1, up 2.
Describe the reflection.

Reflection over the x-axis.
Describe how A was rotated.
90° clockwise OR 270° counterclockwise
The technical term for making an object smaller
What is reduction?
A transformation in which a figure is turned about a fixed point
What is Rotation?
Write the coordinate notation for a translation left 10 and down 7.
(x,y)->(x-10,y-7)
K(-4,6) is reflected across the y-axis. Find K'.
A(5,10) is rotation 180° clockwise. Find A'.
A'(-5,-10)
W(4,-2) is dilated by a scale factor of 5. Find W'.
W'(20,-10)
A transformation that slides a figure from one position to another without turning
What is Translation?
Point N(4,-2) is translated right 5 units and up 3 units. Find N'.
N'(9,1)
E(-20,30) is reflected to E'(-20,-30). Describe the reflection.
Reflection over the x-axis.
B(-7,0) is rotated 90° clockwise. Find B'.
B'(0,7)
Find R' when R(-12,-8) is dilated by a scale factor of 1/2
R'(-6,-4)
How much a figure changes when dilating; what you multiply by
What is Scale Factor?
Write the coordinate notation for the translation shown.
(x,y)->(x+5,y-2)
triangleABC is reflected across the y-axis. Find the coordinates of triangleA'B'C' .
A'(3,4)
B'(2,0)
C'(0,7)
C(-14,-6) was rotated to C'(6,-14). Describe the rotation.
90° counterclockwise
Write the coordinate notation for an object that is dilated by a scale factor of 1/3
(x,y)->(1/3x,1/3y)
An operation that maps a geometric figure (preimage) onto a new figure (image)
Point M(5,2) was translated to M'(3,8). Describe the translation.
Left 2 and up 6
Write the equation of the line of reflection.
x=-3
Describe the rotation in 2 ways.
90° clockwise AND 270° counterclockwise
Write the coordinate notation for the dilation shown.
(x,y)->(2x,2y)