Equação Formadores

Equação Formadores

8th Grade

20 Qs

quiz-placeholder

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Equação Formadores

Equação Formadores

Assessment

Quiz

Other

8th Grade

Practice Problem

Hard

Created by

Oliveira Rogélio José

Used 2+ times

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20 questions

Show all answers

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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