$\"\"$

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The equation is $\"minus$ .

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Rewrite the equation $\"a$

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The above equation compare with $\"A$

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Then $\"A$

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Graph the related function $\"f$ $\"\"$

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The equation of axis of symmetry is $\"a$

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$\"a$ (Substitute B = 10 and A = 1)

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$\"a$ (Simplify)

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Substitute $\"a$ in the above function $\"f$

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$\"f$

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$\"f$ (Evalute power: $\"open$ )

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$\"f$ (Multiply: $\"10$ )

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$\"f$ (Add: $\"25$ )

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$\"f$ (Subtract: $\"50$ )

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The coordinates of the vertex are $\"open$ $\"\"$

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

\ $\"a\"$ \	\ $\"f$ \
\ $\"minus$ \	\ $\"0\"$ \
\ $\"minus$ \	$\"1\"$
\ $\"minus$ \	$\"4\"$
$\"minus$	\ $\"9\"$ \
\ $\"minus$ \	\ $\"16\"$ \

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$\"\"$

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Graph:

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$\"\"$

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Above the graph the x-intercept is $\"minus$ .