Homework Statement
f(x) : ax²+bx+c, a≠ 0
[have to find the a(x-h)²+k form first]
Find an expression in terms of a, b, c for: (without using graph or calculator)
(i) An equation of the axis of symmetry
(ii) The maximum or minimum value
(iii) The coordinated of the vertex
(iv) The...