
Equações do 2.º grau
Authored by Cláudia Oliveira
Mathematics
Professional Development
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6 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Relativamente à equação acima, podemos afirmar que é do:
1.º grau
2.º grau
3º grau
4.º grau
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A expressão acima é uma equação:
do 2.º grau completa
do 2.º grau incompleta
em que o termo independente é 7
em que o coeficiente do termo em x é zero
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Na equação acima temos:
a= -12; b=4; c=9
a= 12; b= -4; c=9
a=-12; b=4; c= -9
a= 12; b=-4; c=-9
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
O conjunto-solução da equação acima é:
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Aplicando a fórmula resolvente à equação acima, verificamos que as soluções da equação são:
-15 e 2
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Qual a medida do lado do quadrado cuja diagonal mede 12 cm?
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