Define x @ y as (x3 − y)/x, for distinct positive integers x and y. What is the value of 5 @ 10? Evaluating 5 @ 10 yields (53 − 10)/5 = (125 − 10)/5 = 115/5 = 23. Define a # b as a2 − b2 − ab, for...
Final exams often accompany the final days of school. Sherry has had four tests so far in her science class, each worth 1/6 of her final grade. She scored 87%, 89%, 92% and 91% on these tests. Her...
Original Handbook Problem: In Lewis Carroll’s Through the Looking-Glass, this conversation takes place between Tweedledee and Tweedledum. Tweedledum says, “The sum of your weight and twice mine is 361...
Finalist video in the 2012-2013 Math Video Challenge. This video was created by team SMSA. The Math Video Challenge is an innovative program involving teams of students using cutting-edge technology...