Oliver

10-26-2013, 05:17 AM

Which of the following is the vertex of the parabola y=2(x+2)^2-7?

(A) (2,-7)

(B) (-2,7)

(C) (-2,-7)

(D) (2,7)

Thanks!:):)

(A) (2,-7)

(B) (-2,7)

(C) (-2,-7)

(D) (2,7)

Thanks!:):)

View Full Version : vertex of parabola

Oliver

10-26-2013, 05:17 AM

Which of the following is the vertex of the parabola y=2(x+2)^2-7?

(A) (2,-7)

(B) (-2,7)

(C) (-2,-7)

(D) (2,7)

Thanks!:):)

(A) (2,-7)

(B) (-2,7)

(C) (-2,-7)

(D) (2,7)

Thanks!:):)

nicole

10-26-2013, 05:18 AM

The vertex form of a parabola with equation y=ax^2+bx+c is given by y=a(x-v)^2+k where the vertex has coordinates (v,k).

Therefore the correct answer is (C).

Hope these help!!:)

Therefore the correct answer is (C).

Hope these help!!:)

Oliver

10-26-2013, 05:18 AM

Thanks for your quick response!!

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