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квадратные уравнения ОГЭ

Authored by Лана Лашкевич

Mathematics

8th Grade

Used 3+ times

квадратные уравнения ОГЭ
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите уравнение х2 - 16х = 0

16

0

16 или 0

4 или - 4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите уравнение 4х2 - 100 = 0

5

-5

25

5 или - 5

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите уравнение х2 - 36 = 0

36

6 или -6

6

-6

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите уравнение 5х2 + 75 = 0

5 или -5

корней нет

5

-25

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите уравнение 2,34х2 = 0

0

-2,34

корней нет

1 или -1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решить уравнение ( х - 5)(2х + 6) = 0

5

6

0

5 или -3

5 или -6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Дискриминант квадратного уравнения можно вычислить по формуле...

D = -b2-4ac
D = b2-4ac
D = b2+ 4ac

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