
Produtos Notáveis
Authored by SOLANGE PEREIRA DE JESUS DEMETRIO
Mathematics
9th Grade
17 Questions
Used 38+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique o produto notável na expressão: (a + b)²
(a + b) * (a + b) ou (a + b)² = a² + 2ab + b²
a² + b²
a² - 2ab + b²
(a + b) * (a - b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Expanda a expressão: (x - 3)²
x² - 6x - 9
x² - 3x + 9
x² - 9
x² - 6x + 9
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Simplifique a expressão: (2x + 5)(2x - 5)
4x^2 + 25
4x^2 - 25
4x^2 - 25
4x^2 + 10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o problema: Se a² + b² = 25 e ab = 12, qual é o valor de (a + b)²?
16
36
49
64
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aplique a propriedade dos produtos notáveis para resolver: (3x - 2)²
9x² - 4
9x² - 12x + 4
9x² - 12x - 4
3x² - 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verifique a identidade algébrica: (a + b)² = a² + 2ab + b²
Falso
Talvez
Às vezes
Verdadeiro
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique o produto notável na expressão: (2x - 4)²
4x² - 16x + 16
4x² - 16x - 16
4x² - 8x + 16
4x² - 16x - 8
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