What is the vertex form of $y = x^{2} + 8 x + 15$ $y=x^2 +8x+15$ ?

Question

15449 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-08-04T11:26:00

The equation in vertex form is , $y = {(x + 4)}^{2} - 1$ $y=(x+4)^2-1$

The equation in vertex form is,
$y=x^2+8x+15= (x+4)^2-16+15 =(x+4)^2-1 :.$ Vertex is at $(-4,-1)$ graph{x^2+8x+15 [-10, 10, -5, 5]}[Ans]

What is the vertex form of y=x^2 +8x+15 y=x2+8x+15y=x^2 +8x+15 ?