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

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From a graph

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Find where the grpah hits the Y axis

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Calculate the rate of change(slope)

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Put it altogether

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From two points

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First find slope

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Find the Y intercept

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Write the equation in slope intercept form

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From a point and slope

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Use the equation to find the y-intercept

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Put the slope and intercept into the equation

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Equations are written in slope-intercept form

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

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The Y-intercept is also known as the initial condition

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