Identifying Functions from Ordered Pairs

• Yes
• No

Tags

CCSS.8.F.A.1

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

• Yes
• No

Tags

CCSS.8.F.A.1

• Yes
• No

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function and how can you tell?

• Yes its a function because no y values repeat

• No it's not a function because there are negative numbers

• No it isn't a function because an x value repeats but has different y values 

• No it isn't a function because an y value repeats but has different x values

Tags

CCSS.8.F.A.1

Is the list showing a function?

• Yes

• No

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1

The set of ordered pairs shows a relationship between x and y.

 

{(–3, 2), (–2, 2), (2, –3), (3, –2)}

y ​ (a)   a function of x since the x-values ​ (b)   correspond with exactly one y value.

• is

• is not

• do

• do not

Tags

8.5G

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this a function or not a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1