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Vocabulary
Translations
Reflections
Rotations
Geometry Potpourri
100
A transformation in which a graph or geometric figure is picked up and moved 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
If AE=BC and BC=JK, then AE=JK
What is the transitive property?
200
Operations that alter the form of a figure. Examples: translations, reflections, dilations, and rotations.
What is transformations?
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
The rotational symmetry of a hexagon
What is 60 degrees or 6 points?
300
The transformation that does not maintain size or shape
What is non-rigid transformation?
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 about the line y=x.
What is M'(-4, -2), N'(1, -3), and O'(2, 0)?
300
The coordinate mapping for a rotation clockwise of 90 degrees.
What is (x, y)-->(y, -x)
300
A square has this many lines of symmetry
What is 4 lines of symmetry?
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
What is the reflection over of triangle ABC to A'B'C' when A(-2, 0), B(1, 3), and C(3, -4) is reflected to A'(0, 2), B'(-3, -1), and C'(4, -3).
What is y=-x line?
400
This angle of rotation maps (x, y)-->(-y, x).
What is rotation 270 degrees clockwise or 90 degrees counterclockwise?
400
(x,y) -> (x, -y) -> (x +5, y -3)
What is a reflection about the x-axis and a shift right 5 and down 3?
500
A transformations that preserves size and shape.
What is an rigid transformation?
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 (x, y)-->(x, y-4)?
500
The line of reflection when X(-4, 0), Y(-2, -2), and Z(0, -8) is reflected to X'(-4, 0), Y'(2, -2), and Z'(0, -8).
What is y-axis?
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
(x,y) -> (-x, -y) -> (y,x)
What is a 180 degree rotation and a reflection over the line y = x?