Unit 2 Vocabulary Test (Dean, Dixon, Jones, Baxter)

Front

A coordinate system formed by the intersection of a horizontal number line, called the x-axis, and a vertical number line, called the y-axis.

Back

Coordinate Plane

Front

The y-value within a function.

Back

Y-Coordinate

Front

The set of x-values within the ordered pairs of a relation.

Back

Domain

Front

A relation in which each element of the domain is paired with exactly one element of the range.

Back

Function

Front

A line with zero slope; y=a

Back

Horizontal Line

Front

The x-value within a function.

Back

X-Coordinate

Front

A function represented by a line; rate of change is constant.

Back

Linear Function

Front

A line that is decreasing from left to right.

Back

Negative Slope

Front

A function that cannot be represented by a line, but often is a curve; rate of change is NOT constant.

Back

Nonlinear Function

Front

If the ratios of quantities are not equal, then they are not proportional.

Back

Non-proportional Relationship