Vocabulary
Translations
Rotations
Reflections
Potpourri
100
This is also known as a turn.
Rotation
100
A triangle is at the following coordinates: A (5 , 5) B (2 , 3) C (1 , 9) Where is point A after a translation 4 units up?
(5 , 9)
100
If a triangle is facing left before a 180 degree rotation about the origin, which way will it be facing after the rotation?
Right
100
A triangle has vertices at the following points: A ( 1 , 1) B (4 , 7) C (7 , 1) Which axis was the triangle reflected across if the vertices are: A' ( - 1 , 1) B' (-4 , 7) C' (-7 , 1)
The y - axis
100
In the equation y = 4x - 2, what is the y - intercept?
-2
200
This changes if a point is reflected across the y - axis.
The x value
200
A square is at the following coordinates: A (1 , 1) B (1 , -1) C (3 , 1) D (3 , -1) If the square were translated 3 units left, where would D' be?
(0 , -1)
200
If a square is in the second quadrant before a 180 degree rotation about the origin, which quadrant will it be in after the rotation?
The fourth
200
If the point C (7 , -4) is on a figure that is reflected across the x - axis, where would point C' be?
( 7 , 4)
200
What kind of graph uses bars that touch to measure frequency?
Histogram
300
This changes if a point is rotated 180 degrees about the origin.
The x and y values
300
A trapezoid has vertices at the following points after being translated 3 units down and 2 units left: A (5 , 6) B (8 , 6) C (2 , 2) D ( 11 , 2) Where was point C before the translation?
(5 , 4)
300
Vertex A of a triangle is on the origin before a 180 degree rotation about the origin. Where is point A after the rotation?
The origin
300
A trapezoid has vertices at the following points: A ( 5 , 5) B ( 10 , 5) C ( 1 , 1) D (14 , 1) If the trapezoid were reflected across the y-axis, where would point A' be?
(-5 , 5)
300
If you roll two dice, how many possible outcomes are there?
36
400
This is also known as a slide.
Translation
400
A triangle has vertices at the following points after a translation 6 units up and 8 units right: A (-2 , 5) B (-5, 3) C (-8 , 2) Where was point A before the translation?
(-8 , -3)
400
A triangle has vertices at the following points: A (2 , 5) B (-1 , 4) C (4 , 10) Where are the vertices after a 180 degree rotation about the origin?
A (-2 , -5) B (1 , -4) C (-4 , -10)
400
If a triangle that faces left is reflected across the x - axis, which direction will it be facing?
Left
400
Two angles whose measurements add up to 180 degrees are said to be what type of angles?
Supplementary
500
By doing this transofrmation, you create a mirror image.
Reflection
500
A rectangle has vertices at the following points: A (1 , 1) B (5, 1) C (5 , 6) D (1, 6) It is then translated and has vertices at the following points: A' (-3 , 5) B' (1 , 5) C ( 1, 10) D ( -3, 10) How many units and in which directions was the rectangle translated?
4 units down and 4 units right.
500
A square has vertices at the following points: A ( 1 , 1) B (-1 , -1) C (1 , -1) D (-1 , 1) What is interesting about this square if you do a 180 degree rotation about the origin?
It ends up in the same place
500
An image in the 3rd quadrant is reflected across the y - axis. Which quadrant is it in now?
The fourth
500
How old is Yoda when he dies?
900 years old
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