f(x)=2x^2-12x+16 x intercept(s) axis of symmetry
Divide thru by 2 (this will not change the 'zeroes' ....also known as the x-axis intercepts)
x^2 -6x+8 factor
(x-4)(x-2) x intercepts are thus 4 and 2
axis of symmetry is between the zeroes ...in the middle at x = 3