Module 2 Review

Multiple Choice

Which of the four triangles was formed by a translation of triangle PQR?

• A

• B

• C

• D

Multiple Choice

The line segments are translated 2 units to the left to form A′B′ and C′D′. Which statement describes A′B′ and C′D′?

• Line segments A′B′ and C′D′ do not intersect and are closer together than AB and CD.

• Line segments A′B′ and C′D′ intersect at (−2, 0) and are two times farther apart than AB and CD.

• Line segments A′B′ and C′D′ intersect at (0, −2) and are two times farther apart than AB and CD.

• Line segments A′B′ and C′D′ do not intersect and are the same distance apart as AB and CD.

Multiple Choice

Which of the four images was formed by a reflection of the letter W?

• A

• B

• C

• D

Multiple Choice

Angle ABC is rotated 90 degrees counterclockwise about the origin to form angle A′B′C′. Which statement shows the measure of angle A′B′C′?

• m∠ A′B′C′ = 90 degrees

• m∠ A′B′C′ = m∠ABC

• m∠ A′B′C′ = 180 degrees

• m∠ A′B′C′ = 2 ⋅ m∠ABC

Multiple Choice

Which of the following sequences of transformations is used to obtain figure from figure ABCD?

• Counterclockwise rotation by 90 degrees about the origin followed by a translation to the right by 1 unit

• Counterclockwise rotation by 90 degrees about the origin followed by a translation to the left by 1 unit

• Reflection about the x-axis followed by a translation to the left by 1 unit

• Reflection about the y-axis followed by a translation to the right by 1 unit

Multiple Choice

What is the scale factor of dilation?

• 1/2

• 1/3

• 1/4

• 1/5

Multiple Choice

Which of the following best represents the relationship between angles p and q?

• p = 180 degrees − q

• q = 180 degrees − p

• p = 2q

• p = q

Multiple Choice

What is the measure of angle x?

• 60 degrees

• 70 degrees

• 80 degrees

• 100 degrees

Multiple Choice

• p + r = q

• p + q + r = 180 degrees

• p + q + r = 90 degrees

• q + r = p

Multiple Choice

What is the measure of <CED?

• m, because triangle ABC is similar to triangle EDC

• m/2, because triangle ABC is congruent to triangle DCE

• m + 60 degrees, because triangle ABC is similar to triangle DCE

• 120 degrees -m, because triangle ABC is congruent to triangle DCE