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SophiaGamer24
@SophiaGamer24
December 2019
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Determine o vertice da parábola que representa a função quadratica f(x) = 2x²-3x+8.
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3478elc
f(x) = 2x²-3x+8
Δ = (-3)² - 4.2.8 = 9 - 64 = - 55
Xv = - b ==> Xv = -(-3) ==> Xv = 3
2a 2.2 4
================================================
Yv = - Δ ==> Yv = -(-55) ==> Yv = 55
4a 4.2 8
3 votes
Thanks 5
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f(x) = 2x²-3x+8
Δ = (-3)² - 4.2.8 = 9 - 64 = - 55
Xv = - b ==> Xv = -(-3) ==> Xv = 3
2a 2.2 4
================================================
Yv = - Δ ==> Yv = -(-55) ==> Yv = 55
4a 4.2 8