Unlimited and Ungraded Practice Relations as Functions

Is the relation a function?

• Yes, each input has one output

• No, each input has more than one output

• No, the cost of the movies is different

• Yes, each output has one input

Tags

CCSS.8.F.A.1

Determine if the relation is a function

• Yes, each input has one output

• Yes, each output has one input

• No, because the pattern is 4

• No, each input is the same as the output

Tags

CCSS.8.F.A.1

Determine if the relation is a function

• Not a function, each input has more than one output

• Yes it is a function, because each input has exactly on output

• Not a function, input is equal to output

• Yes it is a function, -1/2 is a fraction of 2

Tags

CCSS.8.F.A.1

Determine if the relations is a function and describe the pattern

• Yes it is a function, input goes up 1 and output goes up by 15

• Yes it is a function, input goes up 15 and output goes up by 1

• Not a function, input goes up 1 and output goes up by 15

• Not a function, input goes up by 15 and output goes up by 1

Tags

CCSS.8.F.A.1

A relation pairs each input with exactly one output is a

• congruence

• similarity

• function

• mathematical equation

Tags

CCSS.8.F.A.1

A set of ordered pairs is called what?

• An Expression

• A Relation

• A Function

• The Vertical Line Test

Tags

CCSS.8.F.A.1

Which relation is not a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1

Which relation is a function?

• {(0,1), (1,2), (3,3), (3,4)}

• {(0,2), (1,3), (2,3), (3,2)}

• {(1,3), (2,2), (2,0), (3,4)}

• {(1,2), (2,2), (3,2), (1,3)}

Tags

CCSS.8.F.A.1

Given: {(5, 2), (7, 4), (9, 10), (x, 5)}, which of the following values substituted for x will make this relation a function?

• 7

• 9

• 4

• 5

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function
• Not a Function