\"\"

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The equation is \"\".

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\"\"                         (Take out common factor 2 from the x-terms)

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

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The 9 added when complete the square is multiplied by 2.

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\"\"

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\"\"

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\"\"                   (Multiply: \"\")

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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.