
Simplificação de Expressões com Expoentes
Interactive Video
•
Mathematics
•
8th Grade
•
Hard
RODRIGO STECINSKI
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma simplificada de a⁻¹?
a
-a
1/a
a/1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como a expressão x⁻¹ + y⁻¹ pode ser reescrita usando expoentes positivos?
x + y
1/(x+y)
1/x + 1/y
xy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao simplificar a soma 1/x + 1/y, qual é o resultado com um denominador comum?
(x+y)/(x+y)
(x+y)/(xy)
1/(x+y)
xy/(x+y)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma mais simplificada da expressão (x⁻¹ + y⁻¹) / (xy)⁻¹?
1/(x+y)
xy
x+y
1/(xy)
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