avaliação recuperação 9°

avaliação recuperação 9°

9th Grade

10 Qs

quiz-placeholder

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avaliação recuperação 9°

avaliação recuperação 9°

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

JAQUELINE GUSSO

Used 3+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Ao desenvolver (x + 5)², temos:

x² + 10x + 10

x² + 10x + 25

x² - 20x + 10

x² + 20x + 25

2.

DRAG AND DROP QUESTION

10 mins • 1 pt

Para desenvolver a expressão (x + y)², seguimos a seguinte regra:

O quadrado do ​ (a)   + ​ (b)   o 1°termo vezes o 2° termo + o quadrado do ​ (c)   E obtemos ​ (d)  

1° termo
2 vezes
2° termo.
x²+2xy+y²

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Selecione a expressão equivalente (x - y)²

x²-2xy+y²

x²+2xy+y²

x²-2xy-y²

x²-2xy+y

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Selecione a expressão equivalente à (x - 2y)²

x²-4xy+4y²

x²-2xy+2y²

x²+2xy+y²

x²-2xy-y²

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O desenvolvimento de (10X + 7)² é:

100X² + 70X + 49

100X² + 140X + 49

100X² + 70X + 14

20X² + 14X + 49

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A aplicação correta do produto notável na expressão (a – b). (a + b) é:

a² - b²

a² - 2ab + b²

a² + b²

a² + 2ab + b²

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

A solução do produto notável (x – 5)²

x² + 25

x² – 10x + 25

x² + 10x – 25

x² – 25

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