Transformations
Rotations/Reflections
Translations
Properties
Vocabulary
100
The given graph depicts a rigid transformation
What is a reflection in the y-axis?
100
A reflection is when you do this to a figure...
What is flip it or make a mirror image of it?
100
A translation is when you do this to a figure.
What is move it right, left, up, or down?
100
What quadrant is the point (-5, 1) in?
Quadrant II
100
What does the word "congruent" mean?
Same shape, same size
200
The picture below shows this type of transformation
What is rotating?
200
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (-3,-2)?
200
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.
What is (7,16)?
200
Which transformation does not result in a congruent figure?
What is a dilation?
200
What is a dilation?
A change in size; when a shape gets bigger or smaller
300
The graph depicts a rigid transformation
What is a translation 1 unit right 2 units down? (x,y)->(x+1,y-2)
300
Find the new coordinates of (5,4) after you rotate the point with 180º
What is (-5,-4)?
300
Write the coordinate of point (x,y) after it moves 3 spots to the left and 7 spots up.
What is (x-3,y+7)?
300
These are the transformations that preserve angle measures
What are reflections, rotations, translations, and dilations?
300
What is a change in position by shifting or sliding
A translation
400
What are the three types of transformations?
translation, rotation, reflection
400
Write the coordinate of point (x,y) after it rotates 90º counterclockwise.
What is (-y,x)?
400
Describe the translation for this coordinate: (x,y) -->
(x + 8, y + 4)
What is a translation of 8 units to the right and 4 units up?
400
This property changes under a reflection
What is orientation?
400
What is a rigid transformation?
A rigid transformation is a movement that slides, flips, or turns a figure without changing its size or shape.
500
Possible answer: No. Figure A has one set of parallel sides 2 units apart. Figure B has one set of parallel sides 3 units apart.
500
A picture with one point (-3,4) was reflected over the line y=x. What should be the new coordinates of the point?
What is (4,-3)?
500
What happened to the shape with this translation?
(x-4, y+8)
Shift left 4 units and up 8 units
500
A reflection over the x axis and then a reflection over the y axis is the same as this single transformation.
What is 180 degree rotation?
500
What is "reflection?" Use it in a sentence.
The image mirrors the pre-image