Identifying Functions 1

In a function, the (a)   do not repeat.

• x-values
• y-values

Tags

CCSS.8.F.A.1

Which relations below are functions?

• {(3, 2), (7, 9), (3, 1), (0, 9)}

• {(-1, -1), (2, 2), (5, 7), (0, -1)}

• {(8, 1), (7, 1), (6, 1), (5, 1)}

• {(-1, 2), (3, 7), (9, 5), (-1, -2)}

Tags

CCSS.8.F.A.1

When given a graph, like the ones shown, how do you determine if it is a function?

Sort the graphs by whether they are a function or not.

Groups:

(a) Function

,

(b) Not a Function

• 
• 
• 
• 

Tags

CCSS.8.F.A.1