Тест по алгебре. Тема: Квадратные уравнения. 8 класс. Тип вопросов: единственный выбор. Всего 12 вопросов. Ответы приведены после теста.
Решите квадратное уравнение: x^2 - 5x + 6 = 0. A) x = 1 и x = 6 B) x = 2 и x = 3 C) x = -2 и x = -3 D) x = 0 и x = 5
Решите: 2x^2 - 3x - 2 = 0. A) x = 2 и x = -0.5 B) x = 0 и x = 1 C) x = -2 и x = 1 D) x = -1 и x = 3
x^2 + 6x + 5 = 0. A) x = -1 и x = -5 B) x = -2 и x = -3 C) x = 1 и x = 5 D) x = 0 и x = -6
5x^2 - 5x = 0. A) x = 0 и x = 1 B) x = -1 и x = 1 C) x = 0 и x = -1 D) x = 2 и x = -2
x^2 - 2x - 8 = 0. A) x = 4 и x = -2 B) x = -4 и x = 2 C) x = 8 и x = 0 D) x = 0 и x = -4
x^2 - 9 = 0. A) x = -3 и x = 3 B) x = -9 и x = 9 C) x = 0 и x = 9 D) x = -3 и x = -9
2x^2 + 7x + 3 = 0. A) x = -0.5 и x = -3 B) x = -3 и x = 3 C) x = 0.5 и x = -3 D) x = -1 и x = -3
x^2 + x - 6 = 0. A) x = 2 и x = -3 B) x = -2 и x = 3 C) x = 3 и x = -1 D) x = 1 и x = -6
3x^2 + x - 4 = 0. A) x = 1 и x = -4/3 B) x = -1 и x = 4/3 C) x = -1/3 и x = 4 D) x = 0 и x = 4/3
x^2 - 4x = 0. A) x = 0 и x = 4 B) x = -4 и x = 0 C) x = 2 и x = -2 D) x = 0 и x = 2
4x^2 - 4x - 15 = 0. A) x = 2.5 и x = -1.5 B) x = -2.5 и x = 3 C) x = 1.5 и x = -2.5 D) x = 0 и x = 3
x^2 + 8x + 15 = 0. A) x = -3 и x = -5 B) x = -5 и x = 3 C) x = 3 и x = -3 D) x = -1 и x = -15
Ответы:
- B
- A
- A
- A
- A
- A
- A
- A
- A
- A
- A
- A