Introduction to Relations and Functions

A relation is a set of ____________________ that are related.

• ordered pairs

• x-values only

• y-values only

• x and y values

Tags

CCSS.8.F.A.1

The __________________is the set of all the y-values.

• relation

• range

• domain

• ordered pairs

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The domain is the set of all...

• y-values

• ordered pairs

• x-values

• coordinates

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

In the relation:{ (2,6), (4, 9), (6, 12) } Which numbers make up the domain?

• 2

• 6

• 9

• 4

• 12

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

In the relation:{ (2,6), (4, 9), (6, 12) } Which numbers make up the range?

• 2

• 6

• 9

• 4

• 12

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The set of all x-values could be described using which three words?

• domain

• range

• input

• output

• x-coordinates

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The set of all y-values could be described using which three words?

• domain

• range

• input

• output

• y-coordinates

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What are two ways you can determine if a graph is a function or not?

• Look at all of the points on the graph for repeated x-values

• Look at all of the points on the graph for repeated y-values

• Use the Vertical Line Test

• Use the Right Angle Test

All Input Output Tables can show

• Ordered pairs

• A function

• A relation

• An arrow chart

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

True or False: The domain is a set of all of the first values in an ordered pair.

• True

• False

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1