Midpoint/Distance Formulas

This is the vertical value in a pair of coordinates. How far up or down the point is. Always written second in an ordered pair of coordinates (x,y).

This is the line on a graph that runs horizontally (left-right) through zero.

This is the part of a line that connects two points. It has 2 endpoints.

Plane containing the "x" axis and "y" axis.

Formula for finding the distance halfway from one point to the next.

This is any of the 4 areas made when we divide up a plane by an x and y axis, as shown. They are usually numbered I, II, III and IV.

This is the horizontal value in a pair of coordinates: how far along the point is. Always written first in an ordered pair of coordinates (x,y).

Formula for finding the distance from one point to the next.

This is the line on a graph that runs vertically (up-down) through zero.

This is an example of: Line, Ray, Point, Line Segment