Квадратні нерівності
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Тетяна Рубець
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність x2 - 6x + 8 < 0
(2; 4)
(-∞; 2) ∪ (4; +∞)
(-4; -2)
(-∞; -4) ∪ (-2; +∞)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність x2 - 5x + 6 ≥ 0
[2; 3]
(-∞; 2] ∪ [3; +∞)
[-3; -2]
(-∞; -3] ∪ [-2; +∞)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність x2 - x - 12 > 0
(-3; 4)
(-∞; -3) ∪ (4; +∞)
(-4; 3)
(-∞; -4) ∪ (3; +∞)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність -x2 + 4x + 5 < 0
(-1; 5)
(-∞; 1) ∪ (5; +∞)
(-5; 1)
(-∞; -5) ∪ (1; +∞)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність -x2 + 10x - 24 ≥ 0
[4; 6]
(-∞; 4] ∪ [6; +∞)
[-6; -4]
(-∞; -6] ∪ [-4; +∞)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність -x2 - 3x + 18 < 0
(-6; 3)
(-∞; -6) ∪ (3; +∞)
(-3; 6)
(-∞; -3) ∪ (6; +∞)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'яжіть нерівність 2x2 + 15x - 17 < 0
(-8,5; 1)
(-∞; -8,5) ∪ (1; +∞)
(-17; 2)
(-∞; -17) ∪ (2; +∞)
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