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What is the equation of a parabola with vertex (-2,1) and a=-4

y= 4(x + 1)^2 – 2

y= –2(x – 1)^2 – 4

y= -4(x + 2)^2 + 1

y = -4(x – 2)^2 + 1

User Skryvets
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4 votes
it would be Y=2(x-1)^2-4
User Pyvonix
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