Desvendando a Equação do Segundo Grau

Desvendando a Equação do Segundo Grau

12th Grade

16 Qs

quiz-placeholder

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Desvendando a Equação do Segundo Grau

Desvendando a Equação do Segundo Grau

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

MARILIA ALEIZ

Used 1+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é a forma geral da equação do segundo grau?

ax² + b + c = 0

ax² + bx + c = 0

ax² + bxy + c = 0

a + bx + c = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique os coeficientes a, b e c na equação 2x² - 4x + 1 = 0.

a = 2, b = -4, c = 1

a = 1, b = -4, c = 2

a = -2, b = -4, c = 1

a = 2, b = 4, c = -1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resolva a equação 3x² + 6x - 9 = 0.

x = 2

x = 0

x = -1

x = 1, x = -3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcule as raízes da equação x² - 5x + 6 = 0 usando a fórmula de Bhaskara.

As raízes da equação são x1 = 5 e x2 = 0.

As raízes da equação são x1 = 4 e x2 = 1.

As raízes da equação são x1 = 6 e x2 = -1.

As raízes da equação são x1 = 3 e x2 = 2.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o valor de Δ (delta) na equação 4x² + 2x + 1 = 0?

-12

-4

2

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine as raízes da equação 5x² - 20 = 0.

x = 2 e x = -2

x = 3 e x = -3

x = 4 e x = -4

x = 1 e x = -1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifique os coeficientes da equação -x² + 3x - 2 = 0.

a = -1, b = 0, c = 2

a = 0, b = 3, c = -2

a = -1, b = 3, c = -2

a = 1, b = -3, c = 2

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