Vocabulary
Translations
Reflections
Rotations
Dilations
100
A transformation in which a graph or geometric figure is picked up and moved to another location without any change in size or orientation.
What is translation?
100

The notation for a figure that is translated 3 units left and 1 up.

(x-3, y+1)

100

The line of reflection when Y (-3, 5) is reflected to Y' (-3,-5).

What is y-axis?

100
This angle of rotation creates the same image if it's rotated clockwise or counterclockwise.
What is a rotation of 180 degrees?
100
Enlargement or Reduction: Dilation by a scale factor of 4/3.
What is enlargement?
200

A transformation in which a figure changes the size.

What is Dilation?

200

Find the coordinates of A' if segment AB with A(2, 4) and B(-1, 1) is translated by (x+2, y-5).

What is A'(4, -1)?

200
The coordinates of X' when XY with X(-3, 1) and Y(-1, 4) is reflected over the x-axis.
What is X'(-3, -1)?
200

Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 180 degrees.

What is A'(3, 2) and B'(1, -2)?

200
Determine the scale factor: B(2, 5) and B'(1, 2.5).
What is scale factor = 1/2?
300

A transformation where the x value remains the same but the y values change to the opposite signs.

What is Reflection?

300

Find the coordinates of X', Y', and Z' when triangle XYZ with X(0,3), Y(3, -2), and Z(4,0) is translated by 5 left and 1 up.

What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?

300
The coordinates of M', N', and O' when triangle MNO with M(-2, -4), N(-3, 1), and O(0, 2) is reflected over the line x=2.
What is M'(6, -4), N'(7, 1), and O'(4, 2)?
300
The coordinate mapping for a rotation clockwise of 90 degrees.
What is (x, y)-->(y, -x)
300

Find the coordinates of A' and B' after the following dilation with a scale factor of 3 if A(-2,-1) and B(5,3).

What is A'(-6, -3) and B'(15, 9)?

400
A transformation in which a plane figure turns around a fixed center point.
What is rotation?
400

Find the coordinates of M' and N' when MN with M(-4, -1) and N(-3, -3) is translated 5 units right and 2 units up.

What is M'(1, 1) and N'(2, -1)?

400

The quadrant if a point (1,4) reflects over x-axis and then reflect over y-axis.

What is quadrant III ?

400
This angle of rotation maps (x, y)-->(-y, x).
What is rotation 270 degrees clockwise or 90 degrees counterclockwise?
400

Find the coordinates of Y' when X(12, 4), Y(8,2) and Z(-4,0) are dilated by a scale factor of 1/4.

What is Y'(2, 1/2)?

500

Name all types of transformations and explain how each transforms.

1) Translation (sliding image left/right and up/down)

2) Reflection (flipping image vertically or horizontally)

3) Rotation (turning image around the origin)

4) Dilation (enlarge or reduce the size of an image)

500

The coordinate mapping when D(-5, 4), E(-4, 1), and F(-2, 1) are translated to D'(-5,0), E'(-4, -3), and F'(-2, -3).

What is (x, y)-->(x, y-4)?

500

The line of reflection when A(-2, 0), B(1, 3), and C(3, -4) is reflected to A'(-2, -2), B'(1, -5), and C'(3, 2).

What is y=-1?

500

Write the rules for rotation in notations.


90* clockwise/270* counterclockwise 

(x,y) --> (y,-x)

180* clockwise/180* counterclockwise 

(x,y) --> (-x,-y)

270* clockwise/90* counterclockwise 

(x,y) --> (-y,x)

500

Find the coordinates of A' and B' after the following dilation with a scale factor of 4/3 if A(-12,-15) and B(6,3).

What is A"(-16, -20) and B” (8,4)?

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