Respuesta :

Answer:

The vertex is the point (-1,2)

Step-by-step explanation:

we have

[tex]f(x)=x^{2}+2x+3[/tex]

Convert into vertex form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

[tex]f(x)-3=x^{2}+2x[/tex]

Complete the square. Remember to balance the equation by adding the same constants to each side.

[tex]f(x)-3+1=x^{2}+2x+1[/tex]

[tex]f(x)-2=x^{2}+2x+1[/tex]

Rewrite as perfect squares

[tex]f(x)-2=(x+1)^{2}[/tex]

[tex]f(x)=(x+1)^{2}+2[/tex] ----> equation in vertex form

The vertex is the point (-1,2)