Pretest

Question 1

What is the scale factor?

Revolt · Accepted Answer

2

Question 2

What is YT ?

Revolt · Accepted Answer

12 units

Question 3

Which statements justify that the dilation of triangle STU is an enlargement increasing its size by the magnitude of the scale factor? Choose two correct answers.

Revolt · Accepted Answer

The value of the scale factor, 6 , is greater than 1 .; The triangle pre-image is closer to the point of dilation than the image.

Question 4

What is the scale factor of the dilation?

Revolt · Accepted Answer

2 fifths

Question 5

What is the scale factor of the dilation of line segment BA ?

Revolt · Accepted Answer

5

Question 6

Dilation cap d sub cap v comma 2 fifths was performed on a rectangle. How does the image relate to the pre-image? Choose three correct answers.

Revolt · Accepted Answer

The side lengths of the image are two-fifths the size of the corresponding side lengths of the pre-image.; The base of the image is two-fifths the size of the base of the pre-image.; The image is a reduction because 0 is less than n comma n is less than 1 .

Question 7

What is y , the distance between points cap r and cap r prime ?

Revolt · Accepted Answer

3 units

Question 8

Sylvia enlarged a photo to make a 24 times 32 inch poster using the dilation cap d sub cap q comma 4 What are the dimensions, in inches, of the original photo?

Revolt · Accepted Answer

6 times 8

Question 9

What is PR prime ?

Revolt · Accepted Answer

12 units

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