Test — Test

Question 1

Which of the following statements is true?

Revolt · Accepted Answer

Both a and c.

Question 2

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

Revolt · Accepted Answer

B

Question 3

A translation is shown on the grid below.Which are true statements about the translation? Select 3 options.

Revolt · Accepted Answer

The sides of the image and pre-image are congruent.; The image is a slide of the pre-image.; Each point has moved the same number of units.

Question 4

What is true about the rotation of the shaded triangle to the position of the unshaded triangle? Check all that apply.

Revolt · Accepted Answer

The rotation uses the rule (x, y)g(–x, –y).; The rotation is 180° about the origin.

Question 5

In the diagram, point C represents the center of the sphere. Diego says that the part of the sphere labeled D is the radius. Gregoire says that the part of the sphere labeled D is the diameter of the sphere.Who is correct and why?

Revolt · Accepted Answer

Gregoire is correct; the diameter is a chord that passes through the center of the sphere.

Question 6

What is the value of x in the diagram?

Revolt · Accepted Answer

128 degrees

Question 7

A prism has a volume of 225 cubic meters. Which is the correct substitution for finding the width of the prism?

Revolt · Accepted Answer

V = l w h. 225 = 7.5 times w times 5.

Question 8

A sphere and a cylinder have the same radius and height. The volume of the cylinder is .What is the volume of the sphere?

Revolt · Accepted Answer

14 meters cubed

Question 9

The hypotenuse of a right triangle has endpoints A(4, 1) and B(–1, –2). At which points could the vertex of the right angle in the triangle be located? Check all that apply.

Revolt · Accepted Answer

(–1, 1); (4, –2)

Question 10

Which is a perfect square?

Revolt · Accepted Answer

121

Test — Test Answers

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