Vocabulary
Translations
Reflections
Rotations
Dilations
100
This is the type of transformation that slides an object a fixed distance in a given direction, without changing its size or shape.
What is a translation?
100
This is the vector notation for a figure that is translated 3 units left.
What is T-3, 0?
100
This is the general rule for when reflecting a figure over the x-axis.
What is keep the x coordinate and change the y coordinate to its opposite (x,-y)?
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 an enlargement?
200
These are operations that alter the form of a figure. Examples: translations, reflections, rotations, and dilations.
What are transformations?
200
Find the coordinates of A' if segment AB with A(2, 4) and B(-1, 1) is translated by T2, -5.
What is A'(4, -1)?
200
This is 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
This is the type of transformation that occurs when you flip a figure 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 T-5, 1).
What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?
300
This is the image point B' when the point B (2,-5) is reflected over the y-axis.
What is B'(-2, -5)
300
The coordinate mapping for a rotation clockwise of 90 degrees.
What is (x, y)-->(y, -x)
300
This is the length of line segment OP' after a dilation by scale factor 3, when line segment OP = 4cm.
What is 12cm?
400
This is a transformation in which a plane figure turns around a fixed center point.
What is a 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 coordinates of M', N', and O' when triangle MNO with M(-2, -4), N(-3, 1), and O(0, 2) is reflected over the y axis.
What is M'(2, -4), N'(3, 1), and O'(0, 2)? (-x,y)
400
This angle of rotation maps (x, y)-->(-y, x).
What is rotation 270 degrees clockwise or 90 degrees counterclockwise?
400
This is the coordinates of X' when X(12, 4), Y(8,2) and Z(-4,0) are dilated by a scale factor of 1/4.
What is X'(3, 1)?
500
This is another name for rigid transformations, that preserves distance; e.g. reflection, rotation, and translation.
What is an isometry?
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 equation for the line of reflection if a figure is reflected over the y-axis.
What is x=0?
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
Given the points G(1.5, 3) G'(3,6). Find the scale factor.
What is 2?
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