The slope-intercept form is , where is the slope and is the y-intercept.

Subtract from both sides of the equation.

Multiply each term in by

Multiply each term in by .

Multiply .

Multiply by .

Multiply by .

Simplify .

Simplify each term.

Multiply by .

Multiply by .

Reorder and .

Using the slope-intercept form, the slope is .

The equation of a perpendicular line to must have a slope that is the negative reciprocal of the original slope.

Find the Slope of a Perpendicular Line 2x-y=16