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Recuperação 9° ano

Authored by DJENIFER STOBEL

Mathematics

1st - 5th Grade

Used 9+ times

Recuperação 9° ano
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual alternativa representa a expressão 8a²+12a⁴b-22a³y fatorada?

2a²(4+6a²b-11ay)

4a²(2+3ab-6ay)

8a(1+2a²x-3ay)

22a³y

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual alternativa representa a forma fatorada da expressão: 6x³y³ – 9x²y + 15xy²?

"3xy (2x²y+2-5xy)"

"3x²y² (2xy – 3x + 5y)"

"3x²y² (1xy – 2x² + 3y)"

"3xy (2x²y² – 3x + 5y)"

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual é o monômio comum entre o polinômio "4x³ + 2x² + 6x"

x

2x

4x²

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

O agrupamento da fatoração de 3ax-3b+9a-bx é:

(3 + x) (3a-b)

x

3ax

(6x-ab) bx

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Qual das opções abaixo corresponde a fatoração do polinômio x³+4x²y²?

X + y

x²(1+4y²)

4xy

4(x+Y)

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

(5+2x)² Corresponde a:

5²+2.5.2x+2²

25+20x+4x²

5²+20-4 (x)

2x²

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

(3b-4x)² é igual a:

9b+24xb-16x

6b²+12xb+8x²

9b²+24xb+8x²

9b²-24xb+16x²

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