
Função quadrática
Authored by Olinda Semedo
Mathematics
10th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Das expressões seguintes qual define uma função quadrática?
f(x)=-x+2
f(x)=x2-x(x+1)
f(x)=-x(x+6)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A função quadrática definida por g(x)=x2-8x, tem:
1 zero
2 zeros
não tem zeros
tem o -8 como um dos zeros
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A função quadrática definida por g(x)=x2-8x, tem:
V(4,-32)
V(-4,48)
V(4,48)
V(4,32)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O contradomínio da função f(x)= -2x2+5 é:
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
{ }
IR
{ 0 }
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das seguintes funções quadráticas é par?
h(x)=-x2+x+3
h(x)=2x2+6x
h(x)=3x2+1
h(x) = 4x2-2x+7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das seguintes funções quadráticas tem um máximo absoluto?
h(x)=-x2+x+3
h(x)=2x2+6x
h(x)=3x2+1
h(x) = 4x2-2x+7
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