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IGHS Winkels

Pre-Algebra Chapter 13 Vocabulary

plane a flat surface
coordinate plane a plane with coordinate axes drawn on it
coordinate axes two perpendicular number lines
horizontal left to right
vertical up and down
x-axis horizontal axis
y-axis vertical axis
origin the point where the coordinate axes cross each other
ordered pair a pair of numbers in a special order; the numbers help locate points
graph of an ordered pair a dot that shows the location of an ordered pair
graph of an equation a line made with graphs of ordered pairs from the equation
broken-line graph a graph made up of different pieces of straight lines
slope the steepness of a straight line
rise the change between two points on a line in an up-and-down direction
run the change between two points on a line in a left-to-right direction
Created by: Winkels