Functions With Ordered Pairs

{ (1, 2) , (2, 3) , (3, 4) , (4, 5) }

• Function

• Not a function

Answer explanation

Right! It's a function because the x-values are not repeating.

Tags

CCSS.8.F.A.1

Which variable is not allowed to repeat for a set of ordered pairs to be considered a function?

Tags

CCSS.8.F.A.1

{ (-7, 9) , (-5, 7) , (-3, 5) , (-1, 3) }

• Function

• Not a function

Answer explanation

Yes! It's a function because the x-values are not repeating.

Tags

CCSS.8.F.A.1

{ (9, -1,) , (10, -1) , (11, -1) , (12, -1) }

• Function

• Not a function

Answer explanation

Remember, the y-values are allowed to repeat for a set of ordered pairs to be a function.

Tags

CCSS.8.F.A.1

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• 
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Tags

8.5.G

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

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

{ (4, 15) , (1, 12 ) , (0, 9) , (1, 6) }

• Function

• Not a function

Answer explanation

The 1 is repeating in the x-value, so it's not a function.

Tags

CCSS.8.F.A.1

{ (7, 4) , (7, 8) , (7, 12) , (7, 16) }

• Function

• Not a function

Answer explanation

The x-value 7 is appearing more than once so it's not a function.

Tags

CCSS.8.F.A.1

What makes a set of ordered pairs a function?

Tags

CCSS.8.F.A.1

Fill in the blank and make this set of ordered pairs a function.

{ (_, 6,) , (_, 5) , (_, 4) , (_, 3) }

separate your answers with commas like follows: 1, 2, 3, 4

Tags

CCSS.8.F.A.1