Mathematics for IGCSE & O level - Graphs Of Functions (Section 3 - No. 27)

What are the roots of the quadratic function y = x² - 5x + 6?

x=2, x=3

x=-2, x=-3

x=1, x=6

x=-1, x=-6

Factoring the quadratic equation, we get (x-2)(x-3) = 0. Thus the roots are x=2 and x=3