Algebra Examples
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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 the numerator.
Multiply by .
Add and .
Simplify the denominator.
Multiply by .
Add and .
Dividing two negative values results in a positive value.
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
Multiply the numerator by the reciprocal of the denominator.
Multiply .
Multiply by .
Multiply by .
Step 7