Writing the Equation of a Line

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Writing the Equation of a Line by Mind Map: Writing the Equation of a Line

1. From a graph

1.1. Find where the grpah hits the Y axis

1.2. Calculate the rate of change(slope)

1.3. Put it altogether

2. From two points

2.1. First find slope

2.2. Find the Y intercept

2.3. Write the equation in slope intercept form

3. From a point and slope

3.1. Use the equation to find the y-intercept

3.2. Put the slope and intercept into the equation

4. Equations are written in slope-intercept form

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

6. The Y-intercept is also known as the initial condition