Math 8 Unit 4 Practice Test

Look at the the image. Which statement is true?

• Angle 49 and z are vertical angles.

• Angles x and z are vertical angles.

• Angles z and y are vertical angles.

• Angles 139 and x are vertical angles.

Select two angles that are supplementary?

• 15

• 45

• 60

• 30

• 120

If angle A is a complement to angle B and the mA = 41 degrees, then what is the measurement of angle B?

• 21

• 49

• 59

• 139

Look at the image. What is the measure of angle z?

• 40

• 25

• 65

• 155

This city is building a new road DB. This new road will intersect with road ABC. If the angle ABD formed by this intersection is 83 degrees, then what is the measure of angle DBC?

• 7

• 83

• 97

• 277

What are the new coordinates of point B after it has been translated 3 units horizontally and -4 units vertically?

• (-2, 7)

• (-1,-2)

• (-2,-1)

• (-9, 6)

Which polygon shows the correct reflection of polygon ABCDE if polygon ABCDE was reflected over the x-axis?

• 1

• 2

• 3

• 4

What are the new coordinates of point C after translating it to the left 2 units and then reflecting it over the x-axis?

• (2, -4)

• (2, 4)

• (-2, -4)

• (2, 4)

Look closely at the image. Which figure shows a dilation with a factor of 2? (Hint, start by checking the coordinates of the preimage.)

• 4

• 3

• 2

• 1

Look at the image. What type of transformation is modeled in this picture?

• Rotation

• Reflection

• Translation

• Dilation