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Vocabulary
Translations
Reflections
Rotations
Compositions + More
100

A transformation in which a graph or geometric figure is picked up and moved (or slid) to another location without any change in size or orientation.

What is translation?

100
The vector notation for a figure that is translated 3 units left.
What is <-3, 0>?
100
The equation for the line of reflection if a figure is reflected over the y-axis.
What is x=0?
100
This angle of rotation creates the same image if it's rotated clockwise or counterclockwise.
What is a rotation of 180 degrees?
100

True/False: The order of transformations in a compsition does not matter. They can occur in any order.

What is false?

200

This is when a figure can be mapped onto itself by a reflection.

What is line symmetry?

200
Find the coordinates of A' if segment AB with A(2, 4) and B(-1, 1) is translated by <2, -5>.
What is A'(4, -1)?
200
The coordinates of X' when XY with X(-3, 1) and Y(-1, 4) is reflected over the x-axis.
What is X'(-3, -1)?
200
The rotation that creates the same image as a rotation 270 degrees clockwise.
What is a rotation 90 degrees counterclockwise?
200

This happens to the figure after any single transformation or compostion of transformations.

What is preserves congruence?

300

The transformation that is a flip over a line

What is a reflection?

300
Find the coordinates of X', Y', and Z' when triangle XYZ with X(0,3), Y(3, -2), and Z(4,0) is translated by <-5, 1>.
What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?
300
The coordinates of M', N', and O' when triangle MNO with M(-2, -4), N(-3, 1), and O(0, 2) is reflected over the line x=2.
What is M'(6, -4), N'(7, 1), and O'(4, 2)?
300
The coordinate mapping for a rotation clockwise of 90 degrees.
What is (x, y)-->(y, -x)
300

This is the name of the "apostrophe" or "dash" after the point name after a figure undergoes a transformation.

What is prime notation?

400
A transformation in which a plane figure turns around a fixed center point.
What is rotation?
400
Find the coordinates of M' and N' when MN with M(-4, -1) and N(-3, -3) is translated 5 units right and 2 units up.
What is M'(1, 1) and N'(2, -1)?
400

The line of reflection when A(-2, 0), B(1, 3), and C(3, -4) is reflected to A'(-2, -2), B'(1, -5), and C'(3, 2).

What is y=-1?

400

This angle of rotation maps (x, y)->(-y, x).

What is rotation 270 degrees clockwise or 90 degrees counterclockwise?

400

Location of points A'' and B'' for line segment AB that undergoes a rotation 90 counter clockwise and then a reflection across the x-axis? A(0,4) and B(-1,3)

A"(-4,0) B"(-3,1)

500

This is when a figure can be mapped onto itself by being rotated less than 360.

What is rotational symmetry?

500

The coordinate mapping when D(-5, 4), E(-4, 1), and F(-2, 1) are translated to D'(-5,0), E'(-4, -3), and F'(-2, -3).

What is <0,-4>?

500

The line of reflection when X(-4, 0), Y(-2, -2), and Z(0, -8) is reflected to X'(0, -4), Y'(-2, -2), and Z'(-8, 0).

What is y=x?

500
Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 180 degrees.
What is A'(3, 2) and B'(1, -2)?
500

The locations of A" and B" when A(-1,-1) and B(-5,-5) are translated along <4,3> and rotated 180 about the origin.

What is A"(-3,-2) and B"(1,2)?