Se liga equações

Se liga equações

8th Grade

16 Qs

quiz-placeholder

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Se liga equações

Se liga equações

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

THIAGO ABBEG

Used 6+ times

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16 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Quais das seguintes expressões não são equações?

b = 2b + b

5 x + 35\ \ne\ x\ +\ 3

4x 2 < 84x\ -\ 2\ <\ 8

5(y +3)=4(y2)5\left(y\ +3\right)=4\left(y-2\right)

2.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Media Image

Identifique as equações cuja solução é 3:

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A equação 2(x + 1) = 5 é equivalente a:

2x + 1 = 5

2x + 2 = 10

2x = 3

2x = 5 - 1

4.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

As equações equivalentes à equação x - 4 = 8 são:

x - 5 = 7

2x = 24

x + 4 = - 8

-x + 10 = - 2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A solução da equação é:

3x – 9 = 0

5

7

-3

3

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A solução da equação é: 2x + 14 = 0

-4

5

-7

3

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

17

70

25

35

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