Question 859877
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
y=6x^2+18x+5
y = 6(x+3/2)^2 - 6(9/4) + 5
y = 6(x+3/2)^2 -54/4 + 20/4
{{{y = 6(x+3/2)^2 -34/4 }}}
 V(-3/2, - 17/2)  x = -3/2 the axis of symmetry

{{{drawing(300,300,   -6, 6, -10, 6, grid(1), blue(line(-1.5,6,-1.5,-10)) ,
circle(-1.5,-8.2,0.2),
graph( 300, 300, -6, 6, -10, 6,0,6x^2+18x+5 ) )}}}