Упростите выражение: 2(x + 3) - x

Викторина по математике для 8 класса

Quiz
•
Mathematics
•
8th Grade
•
Hard
Маврыкина Анастасия
Used 3+ times
FREE Resource
39 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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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