Question

Which options show the correct steps for finding the x-coordinate of the vertex in the equation. y=x^2+4x+1 .Select all that apply.?

Answer 1

hello : 
x²+4x+1 = (x² +4x+4) -4 +1 
x²+4x+1 =  (x+2)² -3...vertex form 
the x-coordinate of the vertex is : -2