Q. 165.0( 2 Votes )

(- 4, 1)

B. (4, - 1)

C. (- 4, - 1)

D. (4, 1)

Answer :

Given equation of the parabola is x2 + 8x + 12y + 4 = 0



x2 + 8x + 4 = - 12y


x2 + 8x + 16 = - 12y + 12


(x + 4)2 = - 12(y - 1)


Comparing with standard form of parabola (x - a)2 = - 4b(y - c) we get,


vertex = (a, c) = (- 4, 1)


The correct option is A

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