Real Number System

Set I and Set W are subsets of the real number system.

I = {integers}

W = { whole numbers}

Which diagram best represents the relationship between Set I and Set W?

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8.2

The diagram shows a right triangle and the lengths of two of its sides in inches.

Which measurement is closest to the value of the missing side length in inches?

• 8.9 in.

• 4.6 in.

• 15.1 in.

• 1.9 in.

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8.7.C

• A

• B

• C

• D

Based on the diagram, select ALL statements that must be true.

• <XAZ measures 50 degrees

• <XAW measures 50 degrees

• <WAU and <XAY are vertical angles

• <WAZ and <ZAU are supplementary angles

Select the THREE equivalent numerical expressions.

• M

• P

• R

• S

• T

Which expression represents the distance, in inches, between Toby’s friend’s house and the playground?

• M

• P

• R

• S

• A

• B

• C

• D

-3 belongs to which subsets. Select ALL.

• Whole

• Integer

• Real

• Rational

• Irrational

• Rational

• Irrational

• Whole

• Real

• Integer

32,000 belongs to which subsets? SELECT ALL.

• Natural

• Integer

• Real

• Rational

• Whole