
Operações com Radicais
Mathematics
9th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplifique a expressão √12 + √27.
4√3
3√6
5√3
6√2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a propriedade dos radicais que permite somar radicais com o mesmo índice e radicandos iguais?
Propriedade da multiplicação de radicais
Propriedade da divisão de radicais
Propriedade da potenciação de radicais
Propriedade da adição de radicais
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a expressão √75 - √48.
√5
√3
√4
√6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como podemos simplificar a expressão √20?
5√4
2√5
4√5
√10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a regra para multiplicar radicais com índices diferentes?
Divide-se os radicandos e soma-se os índices
Multiplica-se os radicandos e mantém-se o índice resultante.
Subtrai-se os radicandos e mantém-se o índice resultante
Multiplica-se os radicandos e soma-se os índices
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a expressão √18 + √32.
7√2
6√2
8√2
5√2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa racionalizar o denominador de uma fração?
Multiplicar o numerador e o denominador da fração pelo conjugado do denominador original.
Somar o numerador e o denominador da fração
Subtrair o numerador e o denominador da fração
Dividir o numerador e o denominador da fração pelo mesmo número
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