Sonli ifodalar sonli ifodaning qiymati

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; ∞)