To sketch a quadratic function you must first determine the roots, nature and coordinates of the turning point and the y-intercept. Practice sketching a quadratic function ahead of your National 5 ...

What happens when the floor function meets the quadratic equation? Replacing one or more occurrences of the variable in a quadratic equation with its floor results in diverse and interesting behavior.

Edwards and Ozgün-Köca's article on the Nspire CX is extended (MT October 2009). Sliders, data capture, and spreadsheets are all used. The Surfing Note is on Simpson's Math. Journal Information The ...