
OPERAÇÕES COM RAÍZES
Presentation
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Easy
MATEMATICANDO CIDINHA
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5 Slides • 3 Questions
1
OPERAÇÕES COM RAÍZES
ADIÇÃO, SUBTRAÇÃO, MULTIPLICAÇÃO E DIVISÃO
2
Multiplicação e divisão entre radicais
•Os radicais têm o mesmo índice
•Neste caso, basta multiplicar ou dividir os radicandos.
3
Multiple Choice
CALCULE.
11 . 2221
22
121
2
4
Multiple Choice
7
49
5
Adição e subtração com radicais
•Os radicais que possuem o mesmo índice e o mesmo radicando são chamados de semelhantes.
6
•Observe o exemplo abaixo.
6 √4 e -2√4
Os radicandos são iguais 4 e os índices são iguais a 2, portanto os radicais são semelhantes.
7
•Os radicais são similares
Basta somar ou subtrair os números que multiplicam o radical. Observe os exemplos abaixo abaixo:
4√2 + 6√2 = 10√2
15√2 - 8√2 = 7√2
8
Multiple Choice
Encontrar o perímetro
33
103
43
53
OPERAÇÕES COM RAÍZES
ADIÇÃO, SUBTRAÇÃO, MULTIPLICAÇÃO E DIVISÃO
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