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Atividade Avaliativa

Authored by MILAYRA ENOKIDA

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Atividade Avaliativa
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9 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

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2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

a) 8x +7a = 2x + 25a

a) x= 3a
b) x= 9a
c) x= 2a
d) x=12a

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

b) 9x -3= 5y +6

a) x =y
b) x= 5y + 9
c) x=( 9y + 5 ) /9
d) x= (5y + 9) / 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

c) 3mx +3n -2mx = 5n

a) mx= 4n
b) x= 2n/m
c) x= - 2n/m
d) mx= 2n

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

a) O par ordenado (2, 5) indica que x = 5 e y = 2

V
F

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

b) O par ordenado ( - 15, 0) indica que x= -15 e y= 0

V
F

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

c) O par ordenado (5, - 2) é solução das equações 5x + 2y =21e x -9y= 23.

V
F

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