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Квадратные уравнения. Квадратный трёхчлен

Authored by Maria Kozlova

Mathematics

8th Grade

Used 3+ times

Квадратные уравнения. Квадратный трёхчлен
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

формула дискриминанта?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

x1 = 1, x2 = 2/3

x1 = -1, x2 = -2/3
x1 = 2, x2 = 1/3
x1 = 0, x2 = 5/3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

D=4

D=0

D=-4

D=8

6.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

x1 = -5/2, x2 = 1

x1 = 5/2, x2 = -1

x1 = -1, x2 = 5/2

x1 = 1, x2 = -5/2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какова формула для нахождения корней квадратного уравнения?

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