Укажіть рівняння, коренем якого є число -7

Математика

Quiz
•
Олександр Борисенко
•
Other
•
9th Grade
•
18 plays
•
Hard
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0х=-7
8х=56
8х=-56
8х=-48
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Спростіть вираз (2m-x)(2m+x)+x2
4m2-2x2
4m2
4m2+2x2
2m2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Площа круга, вписаного в квадрат, дорівнює 16П см2 . Знайдіть сторону квадрата.
8 см
4 см
1 см
2 см
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Прямі a і b паралельні, c - січна. Тоді кут х=
65о
75о
115о
55о
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Знайдіть координати середини відрізка АВ, якщо А(4; -1), В(-8; 7)
(2; -3)
(3; -2)
(-4; 6)
(-2; 3)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Розв'яжіть нерівність
(-7;7)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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