\"\"

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The equation is \"\".

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\"\"

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\"\"        (Complete the square on the right side)

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Add and subtract 9 for we can write complete square.

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\"\"

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\"\"

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\"\"                                (Subtract: \"\")

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The above equation is similar to \"\"

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The vertex of this parabola is located at  \"\",

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The equation of the axis of symmetry is \"\".

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The parabola opens upward.\"\"

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The vertex of this parabola is located at  \"\"

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The equation of the axis of symmetry is \"\".

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The parabola opens upward.