
Equação Formadores
Authored by Oliveira Rogélio José
Other
8th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
36
42
16
52
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma de um número com sua terça parte é igual à metade desse número acrescida de 30. Qual é a equação que representa essa sentença?
x + 1/3 = x/2 + 30
x + x/3 = x/2 + 30
x + 1/3 = x + 1/2 + 30
x + 3 = x/2 + 30
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor numérico de x para a equação 3x + 4 = 5x - 8 é:
x = 6
x = 5
x = 4
x = 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva as equações, e enumere as respostas.
1) y + 4 = -15 ( ) -7
2) 3x + 9 = 12 ( ) +1
3) x - 1 = -8 ( ) +3
4) 3y + 1 = 10 ( ) -19
Assinale a sequência correta.
3, 2, 4 e 1
2, 3, 1 e 4
4, 2, 1 e 3
1, 3, 4 e 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma de um número com seu dobro é igual a 36. Qual é esse número?
18
20
10
9
12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em qual das expressões algébricas abaixo o valor numérico é 0 quando x = 2?
x² + 1
x² - 1
x² - 2x
x² + 2x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine o valor numérico do polinômio para x = 2 de:
3x⁴ + 2x³ + 5x + 2
55
66
76
44
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