What are the coordinates of the vertex of the graph of the function y

1.	What are the coordinates of the vertex of the graph of the function y = -x2 + 6x - 11
Answer» <strong style="font-size: 15px; line-height: 20px !important;">What are the coordinates of the vertex of the graph of the function y = -x<sup>2 </sup>+ 6x - 11</strong><p><strong>Solution:</strong></p>

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