equaçao segundo grau na
Authored by Nathalia anjos
Education, Professional Development, Mathematics
1st Grade
Used 79+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
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
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
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
Equações de segundo grau tem que ter números Reais diferentes de Zero?
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
45 sec • 15 pts
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
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
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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