
Retomada 9º ano
Authored by Wellington Vieira
Mathematics
10th Grade
CCSS covered
Used 3+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O resultado da raiz quadrada de 225 é:
5
10
15
112,5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se simplificarmos a raiz quadrada de 18 teremos como resultado:
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
De acordo com o enigma, o resultado pedido é:
14
15
16
17
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Na equação x²-5x+16 os respectivos coeficientes são:
a=1, b=5 e c=16
a=-1, b=-5 e c=16
a=1, b=-5 e c=-16
a=1, b=-5 e c=16
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Quais das equações abaixo são do 2º grau?
2x . (x + 3) = 6x + 8
3x + x + 9 = - 5x - 18
2x² - 16x + 49 = 0
4x . (4 + 8) = 10x - 3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
As raízes da equação x² - 16 = 0 são:
x = 8 e x = - 8
x = 4 e x = - 8
x = 4 e x = - 4
Nenhuma das alternativas anteriores.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O valor de x, é:
2
3
4
5
6
Tags
CCSS.HSG.CO.C.10
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