Slope-int form: y=mx+b 1. substitute the slope and x and y points in the equation. 3=-3/4(8)+b 2. simplify the equation. 3=-6+b 3. isolate the variable to solve for the y-intercept. b=9 4. substitute the slope and y-intercept to get the final equation. y=-3/4x+9 feel free to message me if there are any questions!
