Translations
Reflections
Transformations
Angles
Vocab
100
A translation is when you do this to a figure.
What is move it right, left, up, or down?
100
A reflection is when you do this to a figure.
What is flip it or make a mirror image of it?
100
A rotation is when you do this to a figure.
What is spin it?
100
An angle that is 90 degrees
What is a right angle?
100
a part of a line that starts at one point and extends forever in one direction
What is a ray?
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
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (-3,-2)?
200
What is a transformation about a line called?
What is a reflection?
200
An angle that is greater than 0 degrees but less than 90 degrees
What is an acute angle?
200
the original image prior to any transformations
What is pre-image?
300
Write the mapping of point (x,y) after it moves 3 spots to the left and 7 spots up.
What is (x,y)->(x-3,y+7)?
300
Write the notation of point (x,y) after it is reflected over the y-axis.
What is (-x,y)?
300
A transformation about a point is called what?
What is a rotation?
300
An angle that is greater than 90 degrees but less than 180 degrees.
What is an obtuse angle?
300
lines in the same plane that do not intersect
What are parallel lines?
400
Describe the translation for this notation: (x,y) --> (x + 8, y + 4)
What is a translation of 8 units to the right and 4 units up?
400
A picture with one point (-3,4) was reflected over the line x-axis. What should be the new coordinates of the point?
What is (-3,-4)?
400
Transformations that preserve distance and angle measures
What is isometry?
400
Two rays that share the same endpoint are called a what?
What is an angle?
400
the new image after a transformation has occurred.
What is an image?
500
List the points of ∆LMN after a translation of 6 units to the right and 4 units down. L(0,3) M(6,4) N(3,9)
What is L'(6,-1), M'(12,0), N'(9,5)?
500
Graph rectangle DEFG after a reflection over the y-axis. D(5,5) E(5,8) F(8,8) G(8,5)
What is D'(-5,5), E'(-5,8), F'(-8,8), G'(-8,5)?
500
What is a transformation that shifts/slides every point the same distance in the same direction?
What is a translation?
500
Perpendicular lines form what kind of angles?
What are right angles?
500
points that lie on the same line
What are collinear points?
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