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
A relationship between two quantities in which the ratio of one quantity to the other quantity is constant.
What is a proportional relationship?
200
The center of the figure
What is center of dilation?
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
A proportion
What is a statement that two ratios are equal?
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.