I drink a lot of Diet Dr. Pepper, and the bottles I buy at work have a contest to win a Mini Cooper. I check the codes on the cap every day after lunch, and so far no luck. Because it is a Monday, and I didn’t want to do any actual work, I was reading the contest rules. It was about as interesting as you’d expect, until I came across this line:

Canadian residents must also correctly answer the mathematical skill-test question.

Congratulations! You won a mini-cooper! To claim your prize, please submit your winning game piece, contact information, and simply answer the following:

if ax^{2} + bx + c = 0 then x = ( -b [sqrt](b^{2} - 4ac) ) / 2a