The coordinates of the vertex of a quadratic function and one other point are given in parts (a)–(f) below. Work out
the quadratic function:
i) in the form f(x) = a(x – h)2 + k
ii) in the form f(x) = ax? + bx + c, stating clearly the values
of a, b and c.
Vertex
Other point
a) (-1 ,-5) (1,3)
b) (1,4)
(2, 2)
c) (-4,-4) (-3,-1)
d) (-5,-2) (-3,0)
e) (3,0)
(0, -9)
f) (-5, -12) (-7,-6)