Решите неравенство: x^2 - 5x + 6 < 0.

Квадратные неравенства для 8 класса

Quiz
•
Mathematics
•
8th Grade
•
Medium
Валентина Сердюк
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(0, 1)
(2, 3)
(1, 2)
(3, 4)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Найдите корни уравнения: x^2 - 4 = 0.
2, -2
-1
1
3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Постройте график функции y = x^2 - 3x + 2.
The graph is a straight line with a slope of -3.
The vertex is at (1, 0) and the parabola opens downwards.
The x-intercepts are at (0, 0) and (3, 0).
The graph of the function y = x^2 - 3x + 2 is a parabola that opens upwards with vertex at (3/2, -1/4), x-intercepts at (1, 0) and (2, 0), and y-intercept at (0, 2).
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Определите знак многочлена x^2 - 2x - 8 на интервале (-∞, -2).
отрицательный
неопределенный
нулевой
положительный
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите неравенство: 2x^2 + 3x - 5 ≥ 0.
x ∈ (-2.5, 1)
x ∈ (-∞, -1) ∪ (1, ∞)
x ∈ [0, 1)
x ∈ (-∞, -2.5] ∪ [1, ∞)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Какой интервал соответствует решению неравенства x^2 - 1 < 0?
(-2, -1)
(-1, 1)
[-1, 1]
(1, 2)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Проверьте решение неравенства: x^2 - 6x + 9 > 0 для x = 3.
Не выполняется
x = 3 является решением
Неопределено
Выполняется
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