The vertex of a parabola is at (-2,-3). When the y-value is -2, the x-value is -5. What is the coefficient of the squared term in the parabola's equation?

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Wiebke asked Jun 10, 2022

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The vertex of a parabola is at (-2,-3). When the y-value is -2, the x-value is -5. What is the coefficient of the squared term in the parabola's equation?

Mathematics
high-school

Wiebke asked Jun 10, 2022

by Wiebke

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Answer:

$y=a(x+2)^(2) -3\\-2=a(-5+2)^(2) -3\\(-2+3)/(9) =a\\a=(1)/(9) \\$

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Gihan answered Jun 15, 2022

by Gihan

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