
Bất Phương Trình Bậc Hai 1 Ẩn
Authored by Yến Vũ
Mathematics
11th Grade
Used 1+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tìm nghiệm của bất phương trình x^2 - 4x + 3 > 0.
x < 2 or x > 4
x < 3 or x > 5
x < 1 or x > 3
x < 0 or x > 2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Giải bất phương trình x^2 + 6x + 9 ≤ 0.
(-3)^2
(-4)^2
(-2)^2
(-5)^2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tìm tập nghiệm của bất phương trình 2x^2 - 5x - 3 < 0.
(-∞, -3) ∪ (2, +∞)
(-∞, -2) ∪ (3, +∞)
(-∞, -1) ∪ (2, +∞)
(-∞, -1) ∪ (3/2, +∞)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Giải bất phương trình x^2 - 9x + 20 ≥ 0.
x ≤ 3 or x ≥ 6
x ≤ 4 or x ≥ 5
x ≤ 5 or x ≥ 10
x ≤ 2 or x ≥ 7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tìm nghiệm của bất phương trình 3x^2 + 4x - 7 > 0.
x < -7/3 hoặc x > 1
x < -1
x < 0
x > 2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Giải bất phương trình 4x^2 - 12x + 9 ≤ 0.
x = 2
x > 3/2
0 ≤ x ≤ 3/2
x < 0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tìm tập nghiệm của bất phương trình x^2 - 2x - 8 < 0.
(-3, 3)
(-4, 2)
(-1, 5)
(-2, 4)
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