Свойства числовых неравенств
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Easy
Ирина Котловская
Used 3+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какое из приведенных ниже неравенств является верным при любых значениях a и b, удовлетворяющих условию -a> -b
b-a < -2
b-a > -1
a-b >-1
a-b >1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a <c. Какое из следующих неравенств НЕВЕРНО?
a-31< c-31
a+34 < c+34
-a/10 < -c/10
a/19 < c/19
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выберите неверное неравенство
a/6 < c/6
- a< - c
a+11 > c+8
a-32 > c-32
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На координатной прямой отмечено число а. Из следующих неравенств выберите верное.
a2 < 0
1/a > 0
(a+2)2 <1
(a+3)2 >1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
На координатной прямой отмечено число а. Расположите в порядке УБЫВАНИЯ числа (а-1), -1/а, -а.
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