7th Grade Math Unit 1 Vocabulary Part 2

Front

Ordered Pair

Back

A pair of numbers used to locate a point on a plane, typically written in the form (x, y).

Front

Origin

Back

The point where the x-axis and y-axis intersect in a coordinate plane, typically represented as (0, 0).

Front

X-Coordinate

Back

The horizontal value in an ordered pair, indicating how far along the point is on the x-axis.

Front

Y-Coordinate

Back

The vertical value in an ordered pair, indicating how far up or down the point is on the y-axis.

Front

Center

Back

The middle point of a circle, equidistant from all points on the circumference.

Front

Circle

Back

A round plane figure whose boundary (the circumference) is equidistant from its center.

Front

Circumference

Back

The distance around the edge of a circle.

Front

Diameter

Back

A straight line passing from side to side through the center of a circle, creating the longest distance across the circle.