### You'll Need More than Hard Work

A student who really, really needs to pass calculus this time (third time's a charm) was in my office asking questions in preparation for tomorrow's exam.

All I have to say is that someone who doesn't know that taking the square root of something is the same as raising it to the 1/2 power and who can't solve the equation 20

All I have to say is that someone who doesn't know that taking the square root of something is the same as raising it to the 1/2 power and who can't solve the equation 20

*x*- 200 = 0 (I'm serious -- this is the actual equation) is going to have a*lot*of problems passing calculus.