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Проверка знаний по квадратным уравнениям

Authored by Svetlana Svetlana

Mathematics

8th Grade

Used 1+ times

Проверка знаний по квадратным уравнениям
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: x² - 5x + 6 = 0

x = 0, x = 5

x = 2, x = 3

x = -2, x = -3

x = 1, x = 4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите корни уравнения: 2x² + 4x - 6 = 0

x₁ = 0, x₂ = -3

x₁ = 3, x₂ = -1

x₁ = 2, x₂ = -2

x₁ = 1, x₂ = -3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какова формула дискриминанта для квадратного уравнения?

D = 2b + ac

D = b^2 - 4ac

D = b^2 + 4ac

D = 4b - ac

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Определите дискриминант уравнения: x² + 2x + 1 = 0

0

1

-1

2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: 3x² - 12 = 0

x = 1, x = -1

x = 3, x = -3

x = 4, x = -4

x = 2, x = -2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какое значение дискриминанта у уравнения: x² - 4x + 4 = 0?

1

2

-4

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите корни уравнения: x² + 3x + 2 = 0

x = 0, x = -3

x = -1, x = 2

x = 1, x = -2

x = -1, x = -2

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