Reflections
Another word for reflections
Mirroring or Flipping
The point where an image is turned about
Center of Rotation
Another word to remember translations by
Sliding
When the image is smaller than the preimage
Reduction
(x, y) are called the _____
Coordinates or ordered pairs
The new coordinates for when you reflect over the x-axis
(x, -y)
The most common center of rotation is the ____.
Origin (0,0)
Moving left or right you are changing the __ value.
x
When the preimage is smaller than the image
Enlargement
The number of quadrants in a coordinate plane
4
The new coordinates for when you reflect over the y-axis
(-x, y)
Rotations of a positive degree measure move ______, while negative degree rotations move _______.
Counter Clockwise and Clockwise
y
Set up for your Scale Factor
Image/ Preimage
The original image
The shapes resulting after the reflection are _____ to the original shape
Congruent
New coordinates after a point has been rotated 180 degrees
(-x, -y)
The translation (x, y)(x - 4, y + 2) tells you to translate the points ____ units to the ___ and ___ units ___
4 units to the left
2 units up
The scale factor for the following points:
A(3, 4) ---> A' (27, 36)
9
Proportions are also known as ______ _____
Scale Factors
The new coordinates for when you reflect over the line y=x
(y,x)
The coordinates of (-3,5) after a 270-degree rotation:
(5,3)
The rule for the following translation: 3 units to the right and 2 units down
T3, -2(x, y)=(x+3, y-2)
Dilations create _____ shapes
Similar
The triangle similarities we went over
AA Similarity
SSS Similarity
SAS Similarity