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# chapter 2 math

### luke

TermDefinition
ordered pair a pair of numbers (x,y) used to locate a point in a coordinate plane.The first number is the x-coordinate, and the second is the y-coordinate
coordinate plane a coordinate plane is formed by the intersection of a horizontal number line, usually called the x-axis and a vertical number line, usually called the y-axis
x-axis the horizontal number line in a coordinate plane
y-axis the vertical number line in a coordinate plane
x-coordinate the first coordinate in an ordered pair, which indicates how many units to move to the left or right from the origin
y-coordinate the second coordinate in an ordered pair, which indicates how many units to move up or down from the origin
linear equation an equation whos graph is a line
solution of a linear equation all of the points on a line
slope a ratio of the change in the y to the change in the x between any two points on a line.
rise the change in y between two points on a line
run the change in x between two points on a line
slope-intercept from an equation written in the from y=mx+b.
x-intercept the x-coordinate of the point where a line crosses the x-axis
y-intercept the y-coordinate of the point where a line crosses the y-axis
standard from a linear equation written in the form ax+by=c, where both a and b are not both zero
system of linear equations a set of two or more linear equations in the same varibles
solution of a system of linear equations an ordered pair that makes each equation in a system of linear equations true
Created by: lemedian55