
Метод интервалов
Authored by Элена Мм
Mathematics
9th Grade
Used 26+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Имеем:
x2 − 2x − 15 > 0
Указать наибольшее отрицательное решение
-2
-3
-5
-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2х^2 − 5x + 2 > 0.
Х>2
Х<1\2
Х<1\2 и х>2
1/2<х<2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решить неравенство:
2х^2−7x−4≤0
(0.5; --4)
Х<4, х>0,5
Х<-0,5; х<4
[--0,5; 4]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найти область определения функции:
Х<0
Х>0,6
Х>5/3
[5\3 ; ¤¤》
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Х^2 + 6x + 9 <0
-3
Нет решений
3
Любое число
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3x + 2/11-7х>0
11/7 ;-1/3
(-¤¤;-2/3)(11/7;+¤¤》
Нет решений
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 − 3x − x^2>0
(-1;4)
(-4:1)
(-¤¤;1)(-4;+¤¤)
Х>4
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