Question 913239
h(x)=2x^2+6x+25
h(x)=2(x + 3/2)^2 - 9/2 + 25
h(x)=2(x + 3/2)^2 + 41/2
V(-3/2, 20.5)
axis of symmetry: x = -3/2
{{{drawing(300,300,   -10,10,-10,100,  blue(line(-3/2,100,-3/2,-10))  ,  
 grid(1),
circle(-3/2,20.5,0.4),
graph( 300, 300, -10,10,-10,100,0,2x^2+6x+25))}}}