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Two parabolas graphed in the xy-plane have the equations y=2(x-3)^(2)-7 and y=-(x+a)^(2)+2, where a is a constant. For what value of a will the two parabolas have the same axis of symmetry? Choose 1 answer: (A) 3 (B) -3 (c) 6 (D) -6

Two parabolas graphed in the xy x y -plane have the equations y=2(x−3)2−7 y=2(x-3)^{2}-7 and y=−(x+a)2+2 y=-(x+a)^{2}+2 , where a a is a constant. For what value of a a will the two parabolas have the same axis of symmetry?\newlineChoose 1 \mathbf{1} answer:\newline(A) 33\newline(B) −3-3\newline(c) 66\newline(D) −6-6

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