a. Evaluate a - b for a = 8 and b = 5.
b. Evaluate b - a for a = 8 and b = 5.
c. Compare your results from parts (a) and (b).
d. Evaluate a - b and b - a for a = -2 and b = 4, and compare your results.
e. Evaluate a - b and b - a for values of your choosing for a and b, and compare your results.
f. From your work on parts (a) through (e), what connection do you notice between a - b and b - a?