Answer:
if its a parabola on a grahp grab two points x and y and divide y/x and the answer that you get is the slope if you dont know what x and y are it is basically X is a number from the line that goes straight across on a line you can memorize it by running and y is the one that is upwards you can memoriza that by jumping im triying my best to explain sorry if doesnt make sense
Explanation: