a function who’s graph is a line
Linear Function
represents a linear function
Linear Equation
the y value
dependent variable
the x value
independent variable
the point at which the line crosses the y axis
y- intercept
the point at which the line crosses the x axis
x- intercept
Ax + By = C
standard form of a linear equation
____ of a non vertical line to the ratio of the vertical change to a corresponding horizontal change
slope
y - y1 = m(x-x1)
point-slope form
y = mx + b
slope- intercept form