Unit 2 Test Review

Select ALL the numbers that are whole numbers:

• 0

• -8

• 5

Select ALL the numbers that are irrational numbers:

• 0

Select ALL the rational numbers:

• 0

Determine if the statement is True or False:

Zero is a Natural Number

• True

• False

Answer explanation

Zero is a not a natural number

Natural Numbers are 1, 2, 3, 4, 5, ...

Determine if the statement is True or False:

The domain of a relation is the set of all input values.

• True

• False

Answer explanation

Domain is the set of all input values (x-values) of a relation.

Remember a relation is a set of ordered pairs

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Determine if the statement is True or False:

A relation is a function if every x value has exactly one y value

• True

• False

Tags

CCSS.8.F.A.1

• True

• False

Tags

CCSS.HSF.IF.A.2

Find the Domain and Range of the Graph:

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find the Domain and Range of the Graph:

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which set of ordered pairs is a function?

• {(9,5), (10,5), (9,-5), (10,-5)}

• {(3,4), (4,-3), (7,4), (3, 8)}

• {(6,-5), (7, -3), (8, -1), (9, 1)}

• {(2, -2), (5, 9), (5, -7), (1, 4)}

Tags

CCSS.8.F.A.1