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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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1)indique se as funçoes abaixo possuem ponto maximo ou ponto minimo

a) y= -3x2+5
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