https://web2.0calc.com/questions/slope-equations
Or:
Example: [(8, 6)(4, 7)]
[(8, 6)(4, 7)]
slope = [ subtract the y coordinates in some order ] / [ subtract the x coordinates in the same order ]
....so we have.....
slope = [7 - 6 ] / [ 4 - 8 ] = 1 / - 4 = -1 / 4
This was written by CPhill on one of my old posts. Hope it helps!(Remember, credit goes to CPhill for this equation)