Викторина по математике для 8 класса

Викторина по математике для 8 класса

8th Grade

39 Qs

quiz-placeholder

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Викторина по математике для 8 класса

Викторина по математике для 8 класса

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Маврыкина Анастасия

Used 3+ times

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39 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Упростите выражение: 2(x + 3) - x

x + 3

x + 6

2x + 3

x + 9

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Решите уравнение: 3x - 7 = 2x + 5

x = 12

x = -12

x = 1

x = -1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Найдите значение выражения: (a² - b²) при a = 5, b = 3

16

8

34

25

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Решите систему уравнений: x + y = 5, x - y = 1

x = 2, y = 3

x = 3, y = 2

x = 1, y = 4

x = 4, y = 1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Найдите корни квадратного уравнения: x² - 5x + 6 = 0

2 и 3

-2 и -3

1 и 6

-1 и -6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Чему равен tg 45°?

1

0

√2

не существует

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какой график соответствует функции y = -x²?

Ветви вверх

Прямая

Ветви вниз

Парабола вверх

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