2I Quadratic Functions of the form y = a(x-p)(x-q) 2I
if y = a(x-p)(x-q)
graph crosses at ( p, 0) (q,0)
equation of symmetry x = (p+q) / 2
examples 12 and 13
read page 163 notes simplifying
Q 1c 2c 3bc as examples
If x^2 has negative coefficient multiply through by -1.