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Hello can you please help me posted picture of question
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Hello can you please help me posted picture of question

Hello can you please help me posted picture of question-example-1
User David Freitag
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1 Answer

3 votes
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
User Thelastshadow
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