iReady Unit 2 Vocabulary

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Function

Back

a relation where each input or element of the domain is paired with exactly one output or element of the range

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Domain

Back

all possible input values for a relation or function

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Range

Back

all possible output values for a relation or function

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Input

Back

Value of the independent variable in a function; also the "x" value in an ordered pair (x , y)

Front

Output

Back

value in an ordered pair (x , y)

Value of the dependent variable in a function; also the "y" value in an ordered pair (x , y)

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Function Notation

Back

Symbolic representation of a function; Shows the corresponding output values for given input values [ ] ( )

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Mapping Diagram

Back

A drawing that shows each element of the domain paired with each element of the range.

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Intersect

Back

a point where the graph crosses another graph or line

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Interval

Back

all numbers between two given numbers/endpoints. Endpoints can be included in the interval, and intervals are usually increasing, decreasing, constant, positive, or negative

Front

x-intercept

Back

the point where the graph crosses the x-axis, and is written as an ordered pair: (x , 0) y is always equal to 0 (y =0)