23.7k views
1 vote
Write y=2x^2+8x+5 in vertex form. Please

User Ptiseb
by
7.8k points

1 Answer

4 votes

y=2x^2+8x+5\\ y=2(x^2+4x+(5)/(2))\\ y=2(x^2+4x+4-(3)/(2))\\ y=2((x+2)^2-(3)/(2))\\ y=2(x+2)^2-3
User Sangam Belose
by
8.6k points