Produtos Notáveis

Produtos Notáveis

9th Grade

17 Qs

quiz-placeholder

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Produtos Notáveis

Produtos Notáveis

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

SOLANGE PEREIRA DE JESUS DEMETRIO

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17 questions

Show all answers

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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