
Atividade Avaliativa
Authored by MILAYRA ENOKIDA
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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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