Mavzu : Irratsional tengsizliklar va tengsizliklar sistemasiga oid misollar yеchish Irratsional tengsizlik va ularni yechish

Test savollari
1. tenglamani yeching.
A) 6

B) 5

C) -9
2. tenglamani yeching.

1. 
   -2;5
   
2. 
   2;5
   
3. 
   -5;2
   

3. tengsizlikni yaching
A)

B)

C)

4. tenglamani yeching.

A) – 1 B) – 2 C) 2 D) 0

E) to’g’ri javob berilmagan

5. Agar bo’lsa, х + у ni toping.

A) 2 B) 3 C) 4 D) 5 E) 6

6. tenglik x ning qanday qiymatlarida o’rinli

A) – 1 B) 1 C) – 3

D) hech qanday qiymatida E) 3

7. Agar bo’lsa, ni toping

A) 17 B) 18 C) 19 D) 16 E) 15

8. tenglamalar sistemasini yeching.

A) B) C)

D) E)

9. Agar tenglamaning katta ildizi x₀ bo’lsa, x₀ + 10 nechaga teng?

A) 10 B) 12 C) 20 D) 15 E) 18

8. tenglamaning ildizlari yig’indisini toping.

A) 0 B) –2 C) –4 D) 2 E) 4

9. tenglamaning ildizlari yig’indisini toping.

A) 4 B) –3 C) 3 D) –4 E) –5

10. Agar bo’lsa,

ning qiymatini toping.

A) 18 B) 20 C) D)

E)

11. tenglamaning natural ildizlari nechta?

A) B) 1 C) 2 D) 3 E) 4

12.

tenglamaning ildizlari yig’indisini toping.

A) B) 4 C) 2 D) 8 E) 9

13. va bo’lsa,

nimaga teng?

A) 6 B) 4 C) 5 D) 3 E) 8

14. tengsizlikning yechimini ko’rsating

A) [3; ∞) B) [1; 2]

C) [3; 1] [2; ∞) D) [2; ∞)

E) (∞; 2] [1; ∞)

15. Quyidagilardan qaysi biri

tengsizlikning yechimi?

A) (–∞; 3] B) (–∞; –2] U [1; 3]

C) [–2; 3] D) [–1; 2] U [3; ∞) E) [–2; ∞)