
Квадратное неравенство
Quiz
•
Mathematics
•
8th Grade
•
Hard
Сапура Рустемова
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Из предложенных выражений выберите квадратное неравенство.
х2 + 5х = 0
– 6х – 8 > х + 3
х2 – 2х < 7
х + 9 = 4х – 16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выясните, решением какого неравенства является число 2
х2 – х < 0
– х2 + 4х – 5 > 0
х2 + х – 3 > 0
х2 – 2х < 0
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Укажите формулы вершины параболы:
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На рисунке изображен график функции у = х2+2x–3. Используя рисунок, решите неравенство х2+2x–3> 0.
(-∞;-3)U(1;+∞)
(-∞;-3]U[1;+∞)
(-3;1)
[-3;1]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На рисунке изображен график функции у = –0,25х2–2x–3. Используя рисунок, решите неравенство –0,25х2–2x–3≤ 0.
(-∞;-6)U(-2;+∞)
(-∞;-6]U[-2;+∞)
(-6;-2)
[-6;-2]
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