Solve quadratic equations and use continued fractions to find
rational approximations to irrational numbers.
Explore the continued fraction: 2+3/(2+3/(2+3/2+...)) What do you
notice when successive terms are taken? What happens to the terms
if the fraction goes on indefinitely?
Which rational numbers cannot be written in the form x + 1/(y +
1/z) where x, y and z are integers?