Precalculus Examples

Find the Slope of the Perpendicular Line to the Line Through the Two Points
,
Step 1
Slope is equal to the change in over the change in , or rise over run.
Step 2
The change in is equal to the difference in x-coordinates (also called run), and the change in is equal to the difference in y-coordinates (also called rise).
Step 3
Substitute in the values of and into the equation to find the slope.
Step 4
Simplify.
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Simplify the numerator.
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Multiply by .
Subtract from .
Simplify the denominator.
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Multiply by .
Subtract from .
Divide by .
Step 5
The slope of a perpendicular line is the negative reciprocal of the slope of the line that passes through the two given points.
Step 6
Simplify .
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Move the negative in front of the fraction.
Multiply .
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Multiply by .
Multiply by .
Step 7
Enter YOUR Problem
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