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              slope of perpendicular and parallel lines

 

         Slope formula =

                     m= y^2 - y^1

                           x^2 - x^1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

            slope intercept

        Slope intercept = m, y = mx + b, where m is the slope and b is the y-intercept

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  Equation of a line

 

1.   Calculate the midpoint.

2.   Calculate the slope.

3.   Determine the y intercept.

4.   Write the equation.

 

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