Types of Dilation
Find the missing side.
New image
New Image
Review
100
Is it an enlargement or reduction?


Scale Factor:  2

What is enlargement?

100

5/10 = 25/x

x = 50

100
Preimage: (7, 2) Scale factor: 10
What is (70, 20)
100

Preimage: (4, 8)


Scale Factor:  1/2

(2, 4)

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

Is it an enlargement or reduction?


Scale Factor:  1/8

What is reduction?

200

x/6 = 8/12

What is x = 4?

200
Preimage: (3, 8) Scale factor: 5
What is (15, 40)
200

Preimage: (5, 15)


Scale Factor: 1/5

(1, 3)

200
A proportion
What is a statement that two ratios are equal?
300

Is it an enlargement or reduction?


Scale Factor:  8

What is enlargement?

300

49/28 = x/16

What is 28?

300
Preimage: (27, 37) Scale factor: 2
What is (54, 74)
300

Preimage: (42, -49)


Scale Factor:  1/7

(6, -7)

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

Is it an enlargement or reduction?


Scale Factor:  2/3


What is reduction?

400

21/x = 7/10

What is x = 30?

400
Preimage: (28, 83) Scale factor: 5
What is (140, 415)
400

Preimage: (16, 20)


Scale Factor:  1/4

(4, 5)

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

Is it an enlargement or reduction?


Scale Factor:  0.2

What is a reduction?

500

18/27 = x/ 18

What is 12?

500
Preimage: (222, 17) Scale factor: 34
What is (7548, 578)
500

Preimage: (-6, -12)


Scale Factor: (0.5)

(-3, -6)

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