8ºano-Revisão ,módulo 5
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Mathematics
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University
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Practice Problem
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Medium
liria Mattos
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8 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é o resultado da adição abaixo?
( 4x² - 8y + 3z) + ( 2x² - 4y - 8z)
6x4 -12y2 + 11z2
2x² + 4y - 11z
6x² -12y - 5z
x² -12y - 5z
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual o resultado a subtração abaixo?
(5x2 – 9x – 8) – (–3x2 + 10x – 6)
8x² - 19x -2
2x² + x - 14
8x² + 19x + 2
x² - 19x -2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual o perímetro da figura acima?
3x + 4y
6x + 8y
2x + 10y
6x + 4y
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual a área do retângulo acima?
x² + y²
x² + xy + y²
2x + 5xy
2x² + 5xy + 3y²
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é o resultado do produto 2x.( x² + 3x)?
x³ + 3x²
5x
2x³ + 6x²
8x5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é o resultado da divisão
( 36x³ - 18 x² + 9x) : (9x) ?
4x² - 2x + 1
4x4 - 2x³ + x²
-4x² + 2x - 1
x4 - 2x³ - x²
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Efetue :
(x+2) .( x² - 1)
x³ + 2
x³ - x + 2x² -2
x³ - 2
x4 - x² + 2x³ - 2x
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