Translations
Reflections
Rotations
Dilation
This and That
100
If a shape moves to the left on the x axis, did you add or subtract from the x coordinate?
subtract
100
A reflection creates a _________________
image.
What is a mirror or flipped?
100
Rotations _________________________ a figure on a coordinate plane.
What is it turn or spin?
100
What are the types of dilation?
Reduction and enlargement
100
Translate point O (2,2) up 2 units, then reflect over the Y-axis. What are the coordinates of O'?
O' (-2, 4)
200
A shape moves to the right and up. You must have added/subtracted to the x and added/subtracted the y.
add to the x
add to the y
200
When you reflect across the x-axis, which coordinate value changes?
What is the y-coordinate?
200
How does the A (8,-6) change if you rotate it 180 degrees about the origin?
A' (-8, 6)
200
If the scale factor is less than 0, what type of dilation is it?
reduction
200
If the ratio of sides in a triangle is 2:3. What is the ratio of the perimeters and areas?
2/3 and 4/9
300
How was the following point translated?
(-3,2) ---> (-3,8)
What is up 6 units?
300
When you reflect across the y-axis, which coordinate value changes?
What is the x-coordinate?
300
You rotate point B (1, 2) counterclockwise 90 degrees. What is B'?
B' (-2, 1)
300
A is graphed at (5, -3). K=2 what is A'?
A' (10, -6)
300
Angle D is similar to Angle M. What is the cooresponding side to side CB?
LK
400
How were the following points translated?
(3,7), (2,6) ---> (-4,7),( -5,6)
What is left 7 units?
400
How has this point been reflected?
A= (3,2)
A'=(3,-2)
What is reflected over the x-axis?
400
What coordinates will a point (x, y) have after you rotate it 180 degrees around the origin?
What is (-x, -y) ?
400
What type of dilation happened to point B?
B (10, 4) --> B' (5, 2)
reduction
400
What is x?
500
Translate the image by using
(x+4, y-6)
A (-2, 4) B (0,-8) C (-3,5)
A 1 ( 2, -2)
B1 (4, -14)
C1 (1, -1)
500
How have the following points been reflected?
A= (1,4) A'=(-1,4)
B= (3,-4) B'= (-3,-4)
What is it has been reflected over the y-axis?
500
What coordinates will a point (x,y) have after you rotate it 90 degrees clockwise?
What is (y,-x) ?
500
Dilation is the only type of transformation that changes a shape's _______________________.
size
500
To triangles are similar. In triangle ABC, the base is 6 and the height is 2. In triangle A'B'C', the base is 9 and the height is 3. What is the scale factor of the dilation?
3/2