Question 372725
y=x^2-4x+4
{{{ graph( 300, 200, -6, 5, -10, 10, x^2 -4x +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 -4x +4).
Intercepts(0,4)(2,0)
Proof using the (2,0) x & y values:
0=2^2-4*2+4 
0=4-8+4
0=0