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Terms, Definitions, T/F, Fill in the Blank
Scale Factor
New image
Proportional or not?
Transformation
100
A transformation that changes the size but not the shape of a geometric figure
What is dilation?
100

Preimage: (2, 2) 

Image: (5, 5)

What is 2.5?

100

Preimage: (7, 2)

Scale factor: 10

What is (70, 20)

100

Preimage: (7, 8)

Image: (56, 63)

No

100

True or False: Turning a figure around a fixed point is called a reflection

False: It is a rotation

200

A line crossing two or more lines

What is transversal?

200

Preimage: (7, 8)

Image: (56, 64)

What is 8?

200

Preimage: (3, 8)

Scale factor: 5

What is (15, 40)

200

Preimage: (1, 10)

Image: (10, 1)

no

200

If a polygon starts in quadrant 2 and is rotated 90 degrees counterclockwise, what quadrant will it end up in?

Quadrant 3

300
Describes how much larger or smaller the image of a dilation is than the pre image
What is scale factor?
300

Preimage: (6, 3)

Image: (2, 1)

What is 1/3?

300

Preimage: (27, 37)

Scale factor: 2

What is (54, 74)

300
Preimage: (42, 49) Image: (6, 7)
Yes
300

What is something your whole team is grateful for?

Of course! I knew it was going to Ms. Bailey. You all are so sweet 😩

400
True or false: dilation is how large an image is after it is enlarged or reduced.
False
400
Preimage: (46, 37) Image: (23, 18.5)
What is 1/2?
400

Preimage: (28, 83)

Scale factor: 5

What is (140, 415)

400
Preimage: (48, 336) Image: (1, 7)
yes
400

A figure is translated by the rule (x - 2, y + 5).  What direction and distance did the figure travel?

2 units left and 5 units up

500
A dilation is a ________ that changes the ________ but not the shape of a geometric figure.
transformation, size
500
Preimage: (53.7, 35.8) Image: (161.1, 107.4)
What is 3?
500

Preimage: (222, 16) Scale factor: 0.5

What is (111, 8)

500

Preimage: (2, 5)

Image: (1, 2.5)

Yes

500

Point A is located at (-3 , 6).  It is then reflected across the y-axis. 

Which student's statement is correct?

Sally says Point A' will be at (3 , 6)

John says Point A' will be at (-3 , -6)

Sally