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Equação do Segundo Grau

Authored by TIAGO ZANCHETTA PROENCA

Mathematics

9th Grade

Used 58+ times

Equação do Segundo Grau
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique o coeficiente $b$ na equação $x^2 - 4x + 7 = 0$.

1

-4

7

0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique o coeficiente $a$ na equação $2x^2 + 3x - 5 = 0$.

3

-5

2

0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Encontre as raízes reais da equação $x^2 - 4 = 0$.

2 e -2

4 e -4

1 e -1

0 e 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Encontre as raízes reais da equação $x^2 - 9 = 0$.

3 e -3

9 e -9

1 e -1

0 e 9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique o coeficiente $a$ na equação $5x^2 - 2x + 1 = 0$.

5

-2

1

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Encontre as raízes reais da equação $x^2 + 6x + 9 = 0$.

3 e -3

1 e -1

-3 e -3

0 e 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique o coeficiente $c$ na equação $3x^2 + 2x + 1 = 0$.

3

2

1

0

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