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Use the graph of the function to identify the vertex and axis of symmetry

Use the graph of the function to identify the vertex and axis of symmetry-example-1
User KmasterYC
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Reading from the graph, we find the vertex (lowest part of the graph) is at (-0.5, -6.5)
The axis of symmetry is a vertical line (in this case) passing through the vertex, namely x=-0.5
User Stan
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