These problems challenge you to be greater than before, in less than no time!
problem
Unit interval
Age
16 to 18
Challenge level
Can you prove our inequality holds for all values of x and y between 0 and 1?
problem
In between
Age
16 to 18
Challenge level
Can you find the solution to this algebraic inequality?
problem
Classical means
Age
16 to 18
Challenge level
Use the diagram to investigate the classical Pythagorean means.