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Writing the Equation of a
Line
by Chris Courteau
# Writing the Equation of a
Line

## From a graph

## From two points

## From a point and slope

## Equations are written in
slope-intercept form

## Slope is known as the rate of change. It is
the change in the independent variable
over the dependent variable

## The Y-intercept is also
known as the initial
condition

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Find where the grpah hits the Y axis

Calculate the rate of change(slope)

Put it altogether

First find slope

Find the Y intercept

Write the equation in slope intercept form

Use the equation to find the y-intercept

Put the slope and intercept into the equation