
equação exponencial
Quiz
•
Mathematics
•
3rd Grade
•
Medium
newton filho
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A equação (1/3)x = 81, em R, tem como solução:
-2
2
-4
4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quais são as soluções da equação 4x– 2x = 12?
3 e -4
-3 e 4
4
2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Em determinadas condições, o número de bactérias de uma cultura cresce em função do tempo, obedecendo à seguinte função B(t)=3t/6. Considerando t medido em horas, determine a quantidade de bactérias nessa colônia após 2 dias.
5250 bactérias.
) 53620 bactérias.
6500 bactérias
6561 bactérias.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Potências de mesma base na multiplicação:
Conservamos a base e multiplicamos os expoentes.
Multiplicamos as bases.
Conservamos a base e subtraímos os expoentes.
Conservamos a base e somamos os expoentes.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De acordo com uma das propriedades da potenciação como fica o resultado para essa expressão (74)2:
76
78
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O resultado de (– 83)2 é:
(– 8)5
– 86
(– 8)6
– 85
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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