a) y= -3x2+5
![subject](/tpl/images/cats/mat.png)
Mathematics, 07.10.2019 17:30 Aced
1)indique se as funçoes abaixo possuem ponto maximo ou ponto minimo
a) y= -3x2+5
b) y=x2 - 6x +5
c) y=x2
d) y=9x + x2 +7
2) as coordenadas do vertice v da parabola que representa a funçao f(x)=x2 - 2x -3 sao:
a) v=(1,-4)
b)v=(2,4)
c)v=(-1,4)
d)y=9x+x2+7
3)calcule o valor do delta de cada funçao quadratica e depois responda:
a) y= x2+7x+10
b) y=x2+7x+20
c)y=x2 +6x +9
qual das funcoes quadraticas acima
a) nao admite raizes reais?
b) admite 2 raizes reais e iguais?
c) possui 2 raizes reais e destintas?
7) determine os zeros da funçao y=+x2+4x-5: [tex][/tex]
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Answers: 1
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1)indique se as funçoes abaixo possuem ponto maximo ou ponto minimo
a) y= -3x2+5
a) y= -3x2+5
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