Vocabulary
Translations
Reflections
Rotations
Dilations/Compositions
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
What axis did the figure reflect over?
What is the y-axis?
100
This angle of rotation creates the same image if it's rotated clockwise or counterclockwise.
What is a rotation of 180 degrees?
100
Enlargement or Reduction: Dilation by a scale factor of 4/3.
What is enlargement?
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
Determine the scale factor: B(2, 5) and B'(1, 2.5).
What is scale factor = 1/2?
300
The transformation that makes a shape bigger or smaller.
What is dilation?
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
What is the image of (-7,-3)after a reflection over the line y=x?
What is (-3,-7)?
300
The coordinate mapping for a rotation clockwise of 90 degrees.
What is (x, y)-->(y, -x)
300
What is the image of (-7,-4) after a dilation by a scale factor of 5 centered at the origin?
What is (-35,-20)
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 coordinates of P' when x=1?
What is (0,5)?
400
This angle of rotation maps (x, y)-->(-y, x).
What is rotation 270 degrees clockwise or 90 degrees counterclockwise?
400
Find the coordinates of Y' when X(12, 4), Y(8,2) and Z(-4,0) are dilated by a scale factor of 1/4.
What is Y'(2, 1/2)?
500
A transformations that flip over a line called the line of reflection
What is reflection
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
What is the image of (-1,-8) after a reflection over the y-axis?
What is (1,-8)?
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
Find the coordinates of B" when A(5, 0), B(5, 5), and C(2,4) undergo the following composition: translate (x, y)-->(x+6, y-5), then rotate counterclockwise 270 degrees.
What is B"(0, -11)?