Desenvolva o quadrado da soma :
( a + 3b)²
8ºano - Revisão módulo 6
Quiz
•
Mathematics
•
University
•
Easy
liria Mattos
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8 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Desenvolva o quadrado da soma :
( a + 3b)²
a² - 6ab - 9b²
a² + b²
a² - 6ab + 9b²
a² + 6ab + 9b²
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Desenvolva o quadrado da diferença abaixo:
( x - 4y)²
x² + 16y²
x² - 8xy + 16y²
x² - y²
x² - 16y²
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resolva:
( 2x + 2) .( 2x - 2)
2x² - 4
x² - 4
4x² + 4
4x² - 4
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule o cubo da soma abaixo:
( x + 4)³
x³ + 12x² + 64
x³ - 12x² - 48x + 64
x³ + 64
x³ + 12x² + 48x + 64
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule o cubo da diferença abaixo:
( x - 3y)³
x³ - 9x²y + 27xy² - 27y³
x³ - 27y³
x³ + 9x²y + 27xy² +27y³
x³ - 9x²y - 27y³
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Reduza a expressão abaixo:
( x+ 1)² + ( x+ 2)²
2x² + 6x +5
2x² - 6x +5
2x² + 6x - 5
-2x² - 6x - 5
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Reduza a expressão abaixo:
( 2x - 1)² - ( x + 1)²
-3x² + 6x
-3x - 6x²
3x² - 6x
x² - 6
8.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resolvendo o produto: (x - 3).(x + 3), obtemos:
x² - 6x + 9
x² - 6
x² + 6
x² - 9
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