Chapter 1 Vocab Pt. 2

Front

Ordered pair definition:

Back

A pair of numbers locating a point in the coordinate plane, written as (x, y).

Front

Origin in a coordinate plane.

Back

The point where the x-axis & y-axis intersect.

Front

Quadrant: One of the four regions formed by the intersection of two perpendicular number lines in a coordinate plane.

Back

One of the four regions into which the 2 perpendicular number lines of the coordinate plane separate the plane.

Front

Rate definition

Back

A ratio comparing 2 quantities with different units.

Front

Rate of change?

Back

A rate that describes how one quantity changes in relation to another.

Front

Slope definition:

Back

Rate of change between two points on a line; ratio of vertical to horizontal change, indicating steepness.

Front

Unit rate definition:

Back

A rate simplified to have a denominator of 1 unit.

Front

Unit ratio definition:

Back

A unit rate where the denominator is one unit.

Front

x-axis definition

Back

The horizontal number line in a coordinate plane.

Front

x-coordinate definition

Back

The first number of an ordered pair; corresponds to a number on the x-axis.