8.EE.6 Checkpoint 2.3

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.

Front

Which graph does NOT pass the vertical line test?

Back

Graph 1 does not pass the vertical line test.

Front

What is a function?

Back

A relation where every input (x-value) has exactly one output (y-value).

Tags

CCSS.8.F.A.1

Front

Is the relation {(4,5), (4,-7), (4,2), (4,0), (4,9)} a function?

Back

No, because the input 4 has multiple outputs.

Tags

CCSS.8.F.A.1

Front

Which ordered pair could you add to the following list to create a function? (3, 5), (4, 9), (2, 5)

Back

(1, 9) can be added to create a function.

Tags

CCSS.8.F.A.1

Front

What is the definition of a function?

Back

Every input has only ONE output.

Tags

CCSS.8.F.A.1

Front

What does it mean for a relation to be not a function?

Back

If any input has more than one output, it is not a function.

Tags

CCSS.8.F.A.1

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represent a point on a graph.

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.

Tags

CCSS.8.F.A.1

Front

What is a mapping in mathematics?

Back

A way to show how each input is paired with an output.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1