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26-11-2020
Mathematics

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Write each parabola in the form y−k=a(x−h)^2 and determine its vertex: y=−4x^2+16x−19

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meowmeow223334 meowmeow223334

26-11-2020

X = -b/2a
-16/2(-4) = 2
Substitute 2 into the equation
Y = -4(2)^2 + 16(2) - 19
Y = -16 + 32 - 19 = -3
Vertex = (2, -3)
Vertex form y+3=-4(x-2)^2

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