Vocab
A transformation of a shape in a plane that preserves lengths.
What is a translation?
When G(3,-5) is reflected in the line y=-2, the image is located at:
What is (3,1)
The image of J(-2,9) after being translated along <-5,-3>
What is (-7,6)?
Rules of rotation for 90 degree clockwise rotation, (x,y)
What is (y,-x)?
The length of a vector from the initial point to the terminal point.
What is magnitude?
A transformation where an object is flipped to create a congruent image.
What is a reflection?
When point F(1,-7) is reflected in the line y=x the image is located at:
What is (-7,1)?
Using the translation (x,y) --> (x+2, y-5), what is the image of (-6,3)
What is (-6,3)?
Rules of rotation for 90 degree counterclockwise rotation, (x,y)
What is (-y,x)?
Composition of a translation followed by a reflection in a line parallel to the translation vector.
What is a glide reflection?
Circular motion of an object around an axis or fixed point.
What is a rotation?
(6,7) is reflected over the line y=x
What is (7,6)?
Image after translation (x,y) --> (x-2,y+3), (1,2)
What is (-1,5)?
Rules of rotation for 180 clockwise/counterclockwise rotations, (x,y)
What is (-x,-y)?
Repeating pattern of one or more figures that covers a plane with no overlapping or empty spaces.
What is a tessellation?
Each half of a figure matches the other half exactly.
What is line symmetry?
(8,-2) is reflected over the line y=x
What is (2,-8)?
Image after translation (x,y) --> (x-2,y+3), (4,1)
What is (2,4)?
Rules of rotation for 270 degree clockwise, (x,y)
What is (-y,x)?
A tessellation that contains the same arrangement of shapes and angles at each vertex.
What is a Uniform Tessellation?
Figure that can be rotated less than 360 degrees about a point so that the image and preimage are the same.
What is rotational symmetry?
Reflection over the x-axis of the point (3,1)
What is (3,-1)?
Image after translation (x,y) --> (x-2,y+3), (5,4)
What is (3,7)?
Rules of rotation for 270 degree counterclockwise rotation, (x,y)
What is (y,-x)?
A tessellation formed by 2 or more regular polygons
What is a semiregular tessellation?