Terms, Definitions, T/F, Fill in the Blank
Scale Factor
New image
Proportional or not?
Review
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

When two figures are the same shape but different sizes.

What is similar?

200

The center of a coordinate plane, (0,0)

What is the origin?

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

When two shapes are completely equal in every way.

What is congruent or equivalent? 

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 1/2?
300
Preimage: (27, 37) Scale factor: 2
What is (54, 74)
300
Preimage: (42, 49) Image: (6, 7)
Yes
300
If Bobalina types 5 sentences in 25 minutes, how many sentences does she type in 1 minute?
What is sad? Not even a full sentence in a whole minute.
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
Chocolate fudge overload extra large donuts are on sale for $5.99 3/4 dozen. What is the cost of one donut?
What is $0.67?
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, 17) Scale factor: 34
What is (7548, 578)
500
Preimage: (247, 583) Image: (1799, 4081)
Yes
500
Sadie buys 4 grams of titanium for a robotics project for $11. Quin buys 2.5 grams of the same titanium for the same robotics project for $6.25. Who gets the better deal.
Quin
M
e
n
u