

Propriedades de Potencia e Binômios
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para o quadrado da soma de dois termos?
(a + b)² = a² - 2ab + b²
(a + b)² = a² + b²
(a + b)² = a² + 2ab + b²
(a + b)² = 2a² + 2b²
Tags
CCSS.HSA.APR.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que a propriedade distributiva nos permite fazer ao multiplicar dois binômios?
Dividir os termos semelhantes
Somar os termos semelhantes
Multiplicar cada termo de um binômio por cada termo do outro
Subtrair os termos semelhantes
Tags
CCSS.HSA.APR.C.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de (x + 7)² usando a fórmula do quadrado da soma?
x² + 7x + 49
x² + 14x + 49
x² + 49
x² + 14x + 7
Tags
CCSS.HSA.APR.C.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao resolver (5 + 2m)², qual é o termo do meio na expressão expandida?
5m
25m
20m
10m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que é importante usar parênteses ao elevar um termo como 2m ao quadrado?
Para garantir que apenas a letra seja elevada ao quadrado
Para garantir que o termo não seja elevado ao quadrado
Para garantir que apenas o número seja elevado ao quadrado
Para garantir que tanto o número quanto a letra sejam elevados ao quadrado
Tags
CCSS.HSA.APR.C.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de (5x² + 1)² usando a fórmula do quadrado da soma?
5x⁴ + 10x² + 1
25x⁴ + 10x² + 1
25x² + 10x² + 1
25x⁴ + 1
Tags
CCSS.HSA.APR.C.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao resolver (x + 1/2)², qual é o termo constante na expressão expandida?
1
1/2
1/4
2
Tags
CCSS.HSA.APR.C.5
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