Topic Test 8 & 9 Day 1 Practice

​Topic Test 8 & 9 Day 1 Practice

Match

Match the following.

• Preserves Congruency

• Do not preserve Congruency

• 180 Degree Rotation

• Dilation that makes the figure big

Translation

Reflection

Rotation

Dilation

(x, y) to (-x, -y)

(x, y) to (3x, 3y)

• Translation

  Reflection

  Rotation

• Dilation

• (x, y) to (-x, -y)

• (x, y) to (3x, 3y)

Multiple Choice

Which sequence of transformations could be performed on Δ EFG to show that it is similar to Δ JKL? #25

• Rotate Δ EFG 90 degrees clockwise about the origin, and then dilate it by a scale factor of 1/2 with a center of dilation at point F'. 

• Rotate Δ EFG 180 degrees clockwise about point E, and then dilate it by a scale factor of 2 with a center of dilation at point E'.

• Translate Δ EFG 1 unit up, then reflect it across the x-axis, and then dilate it by a scale factor of 1/2​  with a center of dilation at point E''.

• Reflect Δ EFG across the x-axis, then reflect it across the line y=x, and then dilate it by a scale factor of 2 with a center of dilation at point F''.

Multiple Choice

Choose the statement that accurately describes the relationship between ABCD and EFGH. #22

• ABCD and EFGH are congruent, but not similar.

• ABCD and EFGH are similar, but not congruent.

• ABCD and EFGH are both congruent and similar.

• ABCD and EFGH are neither congruent, nor similar.

Fill in the Blanks

A square whose side measures 4 centimeters is dilated by a scale factor of 6. What is the difference between the area of the dilated square and the original square? #9

Multiple Choice

A bike ramp is 8 feet long and has an end height of 3 feet, as shown below. What is the measure of angle θ ?

• 20.5°

• 22.0°

• 30.0°

• 38.1°

Multiple Choice

Which of the following is correct for the diagram?

#11

• $$\tan50\degree=\frac{h}{2.3}$$

• $$\tan50\degree=\frac{2.3}{h}$$

Multiple Choice

State if the polygons are similar.

• a

• b

• c

• d

Multiple Choice

n the diagrams shown below, ΔABC has been dilated by a scale factor of $$\frac{1}{3}$$ to produce image ΔDEF. What is the area of the image ΔDEF ? #45

• 9 sq. units

• 18 sq. units

• 21 sq. units

• 27 sq. units

Multiple Choice

Given △QRS ~ △XYZ, what is the value of tan(Q)? #6

• $$\frac{3}{5}$$

• $$\frac{3}{4}$$

• $$\frac{4}{5}$$

• $$\frac{4}{3}$$

Multiple Choice

What is the cosine of angle P? #29

• p/q

• q/r

• p/r

• r/q

Multiple Choice

The polygons are similar. Find x. #36

• 3

• 6

• 1.5

• 12

Multiple Choice

Given that triangle MPT is similar to triangle MOR, what is the length of TR? #38

• 4.5

• 5

• 3

• 6

Home

Open in new tab

Copy link

Math Response

Given the diagram, find x. #42

Type answer here

Correct Answer: 4

Deg^°

Rad

Math Response

Find the value of m. #43

Type answer here

Correct Answer: 10\sqrt{2}

Deg^°

Rad