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# Relations&Functions

### Relations and Functions

TermDefinition
Relation A set of ordered pairs
Domain The x values in the ordered pair.
Range The y values in the ordered pair.
Function A relation in which the x value has only one partner.
Vertical Line Test A test done vertically in which you pass through only one given point at a time.
Function Rule An equation that describes a function.
Independent Variable The input values.
Dependent Variable The output values.
Rate of Change (Slope) The change in a dependent variable as it relates to the change in the independent variable.
Slope Intercept Form Linear equation written in the form y = mx+b.
x-intercept The point where a line or coordinate crosses the x-axis.
y-intercept The point where a line or coordinate crosses the y-axis.
Standard Form Equation written in the form of Ax+By=C.
Point-Slope Form Equation written in the form of y-y1=m(x-x1).
Coordinate Plane Graph created from 2 perpendicular lines.
x-axis Horizontal line on the coordinate plane.
y-axis Vertical line on the coordinate plane.
Quandrants Each individual 90 degree box formed from the two intersecting perpendicular lines.
Created by: tamarablyons