Unit Test

Question 1

The coordinates of L' in the image are .

Revolt · Accepted Answer

(–1, 2)

Question 2

The length, L'M', is .

Revolt · Accepted Answer

2

Question 3

The slope of the original segment and dilated segment are .

Revolt · Accepted Answer

both zero

Question 4

The coordinates of M' in the image are .

Revolt · Accepted Answer

(1, 2)

Question 5

Given the dilation rule DO,1/3 (x, y) → and the image S'T'U'V', what are the coordinates of vertex V of the pre-image?

Revolt · Accepted Answer

(0, 3)

Question 6

The dilation DO,3 (x, y) → (3x, 3y) is performed on the pre-image △ABC to make a similar triangle. Which statements are true? Check all that apply.

Revolt · Accepted Answer

∠A corresponds to ∠A'.; ∠A'AC' corresponds to ∠B.; CB corresponds to C'A.; △ABC ~ △A'AC'.

Question 7

The distance in the x-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s).

Revolt · Accepted Answer

3

Question 8

The distance in the y-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s).

Revolt · Accepted Answer

1

Question 9

The vertex A' of the image is .

Revolt · Accepted Answer

(–8, 4)

Unit Test Answers