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Atividade avaliativa - 2º ano

Authored by JAQUELINE FERRARI

Financial Education

2nd Grade

Used 1+ times

Atividade avaliativa - 2º ano
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação quadrática x2−4x−5=0x^2 - 4x - 5 = 0 .

x=5x = 5 ou x=−1x = -1

x=4x = 4 ou x=−5x = -5

x=3x = 3 ou x=−2x = -2

x=2x = 2 ou x=−3x = -3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a solução da equação do primeiro grau 3x+2=113x + 2 = 11 ?

x=2x = 2

x=3x = 3

x=4x = 4

x=5x = 5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fatore o polinômio x2−9x^2 - 9 .

(x−3)(x+3)(x - 3)(x + 3)

(x−9)(x+1)(x - 9)(x + 1)

(x−1)(x+9)(x - 1)(x + 9)

(x−2)(x+4)(x - 2)(x + 4)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação quadrática x2+6x+9=0x^2 + 6x + 9 = 0 .

x=−3x = -3

x=3x = 3

x=−6x = -6

x=6x = 6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a solução da equação do primeiro grau 5x−7=185x - 7 = 18 ?

x=3x = 3

x=4x = 4

x=5x = 5

x=6x = 6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a fatoração da equação x2+2x−8x^2 + 2x - 8 ?

(x−4)(x+2)(x - 4)(x + 2)

(x+4)(x−2)(x + 4)(x - 2)

(x−2)(x+4)(x - 2)(x + 4)

(x+2)(x−4)(x + 2)(x - 4)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação quadrática x2−2x−3=0x^2 - 2x - 3 = 0 .

x=3x = 3 ou x=−1x = -1

x=2x = 2 ou x=−3x = -3

x=1x = 1 ou x=−2x = -2

x=3x = 3 ou x=1x = 1

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