Qual é a fórmula do produto da soma pela diferença de dois termos?

Produto Notável: Soma e Diferença

Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a + b)(a - b)
a² + b²
(a + b)² - (a - b)²
a² - b²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se resolve a expressão (x + 2)(x - 2)?
x² - 2x + 4
x² + 2x - 4
x² - 4
x² + 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de elevar o primeiro termo ao quadrado na expressão (x + 2)(x - 2)?
x²
x
2x
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na expressão (2x + 3)(2x - 3), qual é o resultado de 2x ao quadrado?
4x²
x²
8x²
2x²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 3 ao quadrado na expressão (2x + 3)(2x - 3)?
6
12
9
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado final da expressão (2x + 3)(2x - 3)?
x² + 9
4x² - 9
4x² + 9
x² - 9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na expressão (3a² - 5b)(3a² + 5b), qual é o resultado de 3a ao quadrado?
9a²
6a²
12a²
3a²
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