Upper Secondary Big Button

Current

Imagine this!


It's amazing what you can do when you go beyond the Real world...




Vanishing Roots link

Vanishing Roots 

Stage: 4 and 5

If $y=x^2-6x+c$, and we vary $c$, what happens to the roots when $c>9$?

Opening the Door link

Opening the Door live

Stage: 4 and 5 Challenge Level: Challenge Level:1

What happens when we add together two complex numbers?

Strolling Along link

Strolling Along live

Stage: 4 and 5 Challenge Level: Challenge Level:1

What happens when we multiply a complex number by a real or an imaginary number?