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Equações do 2º grau

Authored by LUIS HOLANDA

Mathematics

2nd Grade

Used 14+ times

Equações do 2º grau
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Quais as raízes da equação: x² - 5x + 6 = 0?

5 e 6

2 e 3

-5 e 6

-2 e -3

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Quais as raízes da equação x² - 6x + 8 = 0

3 e 3

2 e -4

-2 e 4

4 e 2

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Quais as raízes da equação x² - 8x + 12 = 0 ?

3 e 4

6 e 2

-8 e 12

8 e 12

4.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Quais as raízes da equação x² - 12x + 20 = 0 ?

5 e 4

-12 e 20

-4 e 5

4 e -5

5.

MULTIPLE CHOICE QUESTION

20 sec • 3 pts

Quais as raízes da equação x² + 3x - 4 = 0 ?

-4 e 1

2 e 1

2 e -2

3 e -4

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Quais as raízes da equação (x + 2) (x - 4) = 0 ?

2 e -4

-2 e 4

0 e 2

0 e -4

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Quais as raízes da equação x² - 20x + 100 = 0 ?

-20

20

100

10

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