9x+y=-12

The slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept.

y=mx+b

Subtract 9x from both sides of the equation.

y=-12-9x

Reorder -12 and -9x.

y=-9x-12

y=-9x-12

Using the slope-intercept form, the slope is -9.

m=-9

Find the Slope 9x+y=-12