Identifying Functions in Tables Ordered Pairs and Graphs

Which set of values 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

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 

• Not a Function

Is the graph pictured a function?

• Yes

• No

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Which of these tables represent a function?

• A

• B

• C

• D

• all of the above

Tags

CCSS.8.F.A.1

Does this describe a function?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Does this table represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this table a function and how can you tell?

• Yes its a function because there are not variables for missing numbers

• No it's not a function because the y value 4 repeated

• No it isn't a function because the x value 2 is repeated

• No it's not a function because the x value 5 has y values of  10 & 12

Tags

CCSS.8.F.A.1

Which ordered pair below would prevent this table from being a function?

• (10, 10)

• (2, 4)

• (6, 1)

• (-2, 0)

Tags

CCSS.8.F.A.1