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Vocabulary
Dilation
Reflection
Translation
Rotation
100
A repeating pattern that completely covers a plane with no gaps or overlaps, or tiling.
What is a tessellation?
100
A transformation that changes the size of a figure, but not its shape.
What is a dilation?
100
A transformation across a line, or a flip.
What is a reflection?
100
A transformation in which all the points of a figure move the same distance in the same direction.
What is a translation? 
100
A transformation about a point "P"
What is a rotation?
200
A change in position, size or shape of a figure.
What is a transformation?
200
State the points of the dilation after a scale factor of 2.

A(2,3)

B(3,6)

C(0,1)

A'(4,6)

B'(6,12)

C'(0,2)


200
Reflect the points across the y-axis

A(1,2)

B(1,4)

C(5,-2)

A'(-1,2)

B'(-1,4)

C'(-5,-2)

200
Translate the points along the vector <3,2>

A(1,2)

B(3,7)

C(6,2)

A'(4,4)

B'(6,9)

C'(9,4)

200
Use arrow notation to describe the rotation of point (x,y) about the origin by 90 degrees.
(x,y)->(-y,x)
300
The original picture 
What is the preimage?
300
Find the distance between the points.

A(1,5)

B(-3,1)

4(2)^(1/2)


300
Reflect the points over the x-axis

A(2,3)

B(1,5)

C(8,4)

A'(2,-3)

B'(1,-5)

C'(8,-4)

300
Translate the points along the vector <4,-2>

A(4,1)

B(3,2)

C(5,0)

A'(8,-1)

B'(7,0)

C'(9,-2)

300
Rotate the points about the origin by 180 degrees.

A(2,4)

B(-1,0)

C(6,1)

A'(-2,-4)

B'(1,0)

C'(-6,-1)

400
A line that divided a figure into two congruent halves.
What is a line of symmetry?
400
State the points after a dilation of 1/2

A(6,7)

B(3,4)

C(8,4)

A'(3,7/2)

B'(3/2,2)

C'(4,2)

400
Reflect the point over the line y=x.

A(-4,1)

B(5,2)

C(1,2)

A'(1,-4)

B'(2,5)

C'(2,1)

400
After a translation, the image of A(-6,-2) is B(-4,-4).  What is the image of the point (3,-1) after this translation?
(5,-3)
400
Under a rotation about the origin, the point (-3,4) is mapped to the point (3,-4)  What is the measure of the angle of rotation?


180 degrees
500
A pattern that has translation symmetry along a line.
What is a frieze pattern?
500
Is this mapping a dilation?

(x,y)->(2x,4y)

No
500
Use arrow notation to describe the reflection.

(4,-3) over the x-axis

(4,-3)->(4,3)
500
What is the new position of the point (3,4) after three translations along the vector <1,4>
(6,16)
500
Unless otherwise stated, all rotations go in what direction?
Counterclockwise