Qual a coordenada x do vértice da função y = -x ao quadrado - 4x + 5 urgenteeeee.... Pergunta de ideia deSrVictor2003

SrVictor2003 @SrVictor2003

November 2019 1 55 Report

Qual a coordenada x do vértice da função y = -x ao quadrado - 4x + 5
urgenteeeee

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Verified answer

Boa tarde!

$y=-x^2-4x+5$

O vértice x da função é:
$x_v=\dfrac{-b}{2a}=\dfrac{-(-4)}{2(-1)}\\\boxed{x_v=-2}$

Espero ter ajudado!

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