Question

\text { a) What is the axis of symmetry of } y=-3(x-8)^{2}+6 \text { What is the vertex of } y=-4(x+6)^{2}-12 \text { What is the axis of symmetry of } y=3(x+5)^{2}-4 \text { What is the vertex of } y=\frac{1}{2}(x-2)^{2}+7

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