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equaçao segundo grau na

Authored by Nathalia anjos

Education, Professional Development, Mathematics

1st Grade

Used 67+ times

equaçao segundo grau na
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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Identifique a fórmula de Bhaskara

X=(-b ± √Δ) / 2.a

Δ = b² – (4.a.c)

ax2+bx+c=0

A=b×h

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

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Identifique a fórmula da equação de 2 grau!

A = π × r²

ax + b=0

ax2 + bx + c=0

Yv = – Δ/4.a

3.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

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Dentro desse tipo de equação o termo de maior grau deve ser elevado ao:

Cubo

A terceira potência

quadrado

Nenhuma das alternativas

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

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Equações de segundo grau tem que ter números Reais diferentes de Zero?

Verdadeiro

Falso

5.

MULTIPLE CHOICE QUESTION

45 sec • 15 pts

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Identufique a fórmula de Delta

Y=a × x2 + b × x + c

J= c × i × t

b2 + 4ac

Nenhuma das alternativas

6.

MULTIPLE CHOICE QUESTION

45 sec • 15 pts

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identifique quais são equações do segundo grau:

X2 - 6x + 7=0

X2 + 3x - 28=0

X2 - 5x=0

Todas as alternativas

7.

MULTIPLE CHOICE QUESTION

1 min • 20 pts

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Qual o conjunto solução da equação: x² - 2x - 3=0?

-3 e 1

2 e 3

-1 e 3

1 e 3

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