$\"\"$

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Standard Quadratic function is $\"\"$ .

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The vertex is $\"\"$ .

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The vertex of standard form is $\"\"$ .

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Substitute for $\"\"$ , hence $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Find the value of $\"\"$ .

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The parabola passes through point $\"\"$ .

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Substitute for $\"\"$ , $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore $\"\"$ and $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ and $\"\"$ and $\"\"$ .