A calculator for determining the slope of a road is located here.

Distance= Slope= Angle= Equation=

Filling in the above equation with the slope and this point we get:

If we needed to calculate the slope angle we merely take the arc tangent of the slope. In this case, arc tangent(.5) = 26.565...degrees.

Example: A line has a slope of 9 and passes through the point (7,5). What is the equation? We calculate "b" from this equation:

Next, we enter the value of "b" and the slope into this equation:

Use this example in the calculator below.

Equation= Angle=

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