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Valor Numérico Expressão algébrica - Quarta!

Authored by ELEN FERREIRA

Mathematics

9th Grade

Used 90+ times

Valor Numérico Expressão algébrica - Quarta!
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12 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O valor numérico da expressão

 x + 5x\ +\ 5  quando x = 2 será:

7

3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O valor numérico da expressão

 x + 5x\ +\ 5  quando x = -2

7

3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual o valor numérico de 2x+7 se x = 15

159

37

22

42

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2

3

4

1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sendo x = 5 e y = 2, o valor numérico de 3x - y é:

7

17

13

1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual o valor da expressão x³ para x = -2

-6

+6

-8

+8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O valor de x² - y² para x = -3 e y = -2 é

+ 1

-1

+ 5

-5

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