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 ...

Rewrite \(y = {x^2} - 6x + 11\) in the form \(y = a{(x - b)^2} + c\). In this case \(a = 1\) as the coefficient of \({x^2}\) is \(1\). To get the number inside the bracket, we half the coefficient of ...

Thank you for signing up! Did you know with a Digital Subscription to The Star, you can get unlimited access to the website including our premium content, as well as benefiting from fewer ads, loyalty ...