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1. 9 Dilations

Last updated about 2 years ago

8 questions

Instructions

1/9/24 
Complete the following Questions after the notes have been complete. You have until 1/14 to complete. 

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Dilations Notes BLANK 

Dilation Notes COMPLETED (Will be uploaded at the end of the day) 

Answer the following Questions upon completing the dilation notes. 

Question 1

1.

The bold is the image and the non-bold is the pre-image. What is the scale factor? Simplify if needed.

Question 2

2.

The bold is the image and the non-bold is the pre-image. What is the scale factor? Simplify if needed.

Question 3

3.

MNPQ has coordinates M(4,8), N(-4,12), P(-8,12), Q(-4,-8). Which of the following would be the coordinates for M' when dilated by a scale factor of 1/4?

(-1,-2)

(1,2)

(-2,3)

(-1,-3)

Question 4

4.

A photograph has been enlarged by a scale factor of 4. The perimeter of the enlargement is 144 inches. What is the perimeter of the ORIGINAL photograph?

Question 5

5.

Triangle ABC has been dilated by a scale factor of 2. If A' has the coordinates (10, 8), what are the coordinates of A?

(16,20)

(5,4)

(20,16)

(8,6)

Question 6

6.

What single dilation produces the same image as the composition of dilations with a scale factor of 2/5, followed by a scale factor of 10, followed by a scale factor of 1.2?

Question 7

7.

Jill has a photo that is 6 inches by 8 inches. She wants to increase the short side of the photo to 15 inches. What would be the length of the long side of the photo if it were increased by the same scale factor?

Question 8

8.

True or False: A dilation is an isometry.

True

False