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expressões

Authored by Helen Frioli

Mathematics

7th Grade

Used 1+ times

expressões
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

7

3

10

9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o coeficiente do termo algébrico -5ab

ab

-5

5

-ab

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quantos termos algébricos possui a expressão 3x + 4t +7z

1

2

3

6

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcule o valor numérico da expressão algébrica 3x + 5, para x = 4

12

17

9

39

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual expressão representa a frase: "o triplo de um número mais quinze".

3x + 15

3 + x + 15

x+ 45

3(x+ 15)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual o valor numérico da expressão: 3x - 4y , para x = 5 e y = 2.

12

23

7

15

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual o valor numérico de 2x +7 para x = 15?

159

37

22

42

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