8.PFA.2

Front

What is a function in mathematics?

Back

A relation between two sets where each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

What does it mean if a function represented by a table has repeated input values with different output values?

Back

The relation is not a function.

Tags

CCSS.8.F.A.1

Front

How can you determine if a relation represented by a set of ordered pairs is a function?

Back

Check if each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represents a point in a coordinate system.

Tags

CCSS.5.G.A.1

Front

Is the set of ordered pairs {(1, 2), (2, 3), (3, 4)} a function?

Back

Yes, it is a function.

Tags

CCSS.8.F.A.1

Front

Is the set of ordered pairs {(1, 2), (1, 3), (2, 4)} a function?

Back

No, it is not a function because the input '1' has two different outputs.

Tags

CCSS.8.F.A.1

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

What is the domain of a function?

Back

The set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.

Front

What is a linear function?

Back

A function that graphs to a straight line and can be expressed in the form y = mx + b.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2