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Relation

a representation of the relationship between input and output values

Function

a relationship when an input value is paired with only one output value

Function notation

formula used to represent a function, sets an expression equal to f(x)

Linear function

a function defined by a linear expression, written using function notation

Linear equation

an equation with a straight line graph and the highest exponent on the variables being 1.

Intercept

where the line graphed intersects with the axises of the coordinate plane

Y intercept

the point where the line crosses the Y axis

X intercept

the point where the line crosses the x axis

Slope

the ratio of change from vertical to horizontal

Rise over run

the method used to find the slope of a line

Horizontal lines

Lines that have a slope equal to zero

Vertical lines

Lines with an undefined slope

Parent function

the original function during a linear function transformation

Transformation

a linear function based on another linear function

Ordered pairs

a pair of numbers which, in a linear equation, represent a point on a line.