Лінійні нерівності 9 клас
Quiz
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Medium
Daniella Glezina
Used 26+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Порівняйте числа a і b, якщо a – b = –3,6.
a > b
a < b
a = b
порівняти неможливо
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Відомо, що m > n. Яке з наведених тверджень хибне?
m – 2 > n – 2
2m > 2n
m + 2 > n + 2
–2m > –2n
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Оцініть периметр P рівностороннього трикутника зі стороною a см, якщо 0,8 < a < 1,2.
1.6 сm < P < 2.4 cm
2.4 cm < P < 3.6 cm
3.2 cm < P < 4.8 cm
1.2 cm < P < 1.8 cm
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Відомо, що 2 < x < 3 і 1 < y < 4. Оцініть значення виразу xy.
4 < xy < 8
3 < xy < 7
2 < xy < 12
6 < xy < 14
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Відомо, що –18 < y < 12. Оцініть значення виразу 1/6 * y + 2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Дано: a > 0, b < 0. Яка з наведених нерівностей може бути правильною?
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Множиною розв’язків якої з наведених нерівностей є множина дійсних чисел?
2x > –2
2x > 0
0x > –2
0x > 0
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