If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h?
2(x+1.5)^2+6.5
(a+b)^2=a^2+2ab+b^2
(x+1.5)^2=x^2+3x+2.25
Times 2
2x^2+6x+4.5+6.5=2x^2+6x+11
h is 1.5
2x^2 + 6x + 11
2 (x^2+3x) + 11
2(x+1.5)2 - 4.5 + 11
2 (x+ 1.5)2 + 6.5
+538 
