Question

Hello can you please help me posted picture of question

Answer 1

Vertex of a parabola exists at:


`( (-b)/(2a),y( (-b)/(2a)))`

b = coefficient of x term = -4
a = coefficient of squared term = 1

So,


`(-b)/(2a)= (4)/(2)=2`

and


`y(2)=(2)^(2)-4(2)+1=-3`

Therefore, the vertex occurs at (2, -3)

Thus the correct answer is option D