PRESENTATION OUTLINE
THE WAY YOU GET THE NUMBERS ON THE GRAPH,
THE NUMBERS IN THE PICTURE BELOW HAVE VARIABLES BESIDE THEM,
AFTER YOU MAKE THE GRAPH, YOU FIND THE VARIABLES AND MAKE GROUPS
THEN YOU FIND OUT IF THE NUMBER IS POSITIVE OR NEGATIVE
IF IT'S NEGATIVE THEN YOU HAVE TO SUBTRACT,
THEN WHEN YOU GET THE NUMBER FOR THAT ROW, YOU GO ONTO THE NEXT ROW
DEPENDING ON IF IT'S A POSITIVE OR NEGATIVE NUMBER