Parametrli tengsizliklar

Parametrli tengsizliklar.
1.(x − a)(x − b) ≤ 0 tengsizlikning yechimlari to’plami [2; 6] oraliqdan iborat. ab ning qiymatini toping.
A) 10 B) 11 C) 13 D) 12 E) 8
2.b ning qaysi qiymatlarida yechimga ega emas?
bx ≥ 6b − 2
bx ≤ 4b + 2

1. 
   (−∞; 0) ∪ [2; ∞) B) 2 D) (2; ∞) E) (−∞; 0)
   

3.k ning kx² + 4x + k + 1 > 0 tengsizlik yechimga ega bo’lmaydigan butun qiymatlari orasidan eng kattasini toping.
A) eng kattasi yo’q B) bu munosabat k ning biror qiymatida ham o’rinli emas. C) −3 D) −2 E) −1
4.n ning 10 dan oshmaydigan nechta natural qiymatida nx²+4x > 1−3n tengsizlik x ning ixtiyoriy qiymatida o’rinli bo’ladi?
A) 10 B) 9 C) 8 D) 7 E) 6
5. m ning qanday qiymatida tengsizlikning eng katta manfiy yechimi −3 gateng bo’ladi?
A) −9 B) −8 C) −7 D) −6 E) −5
6.a > b > c > 0 bo’lsa, larni taqqoslang.

7.Agar a, b€N , a > 10, b > 16 bo’lsa,quyidagilardan qaysi biri har doim o’rinli bo’ladi?

8.p² + q²< 20
pq < 22 bo’lsa, |p + q| ning butun qiymatlari nechta?

1. 
   5 B) 6 C) 7 D) 8 E) 9
   

9.Agar a < −1 bo’lsa, quyidagi keltirilgan ifodalardan qaysi birining qiymati eng katta bo’ladi?
A) a^-1 B) a^-3 C) a^-5 D) a³ E) a⁵
10. ni taqqoslang.
A) a > b B) a < b C) a = b D) a = b + 1 E) a = b − 1
11. sonlarni o’sish tartibida joylashtiring.
A) p < n < m B) n < p < m C) m < p < n
D) n < m < p E) p < m < n
12.Quyidagi munosabatlardan qaysi biri
noto’g’ri?

13.Agar 3 ≤ x ≤ 6 va 15 ≤ y ≤ 60 bo’lsa, ning qiymati qaysi kesmaga tegishli?
A) [5; 10] B) [0, 5; 20] C) [5; 20] D) [2, 5; 20] E) [0, 1; 0, 2]
14. bo’lsa, quyidagi ifodalardan qaysi birining qiymati eng katta bo’ladi?
A) (a − 1)² B) (a − 1)³ C) a³ − 1 D) a² − 1 E) 1 − a
15.a = 1 · 2 · 3 · . . . · 29 va b = 15²⁹ ni taqqoslang.
A) a = b B) a > b C) a < b D) a = b + 1 E) a = b − 1
16.Agar x€[2; 5] va y€[2; 5] bo’lsa, ifodaning eng katta qiymati nechaga teng bo’lishi mumkin?

17.Agar 9 ≤ x ≤ y ≤ z ≤ t ≤ 81 bo’lsa, ifodaning eng kichik qiymatini toping?

18.Agar 7 ≤ x ≤ y ≤ z ≤ t ≤ 112 bo’lsa, ifodaning eng kichik qiymatini toping?
A) 0, 5 B) 0, 2 C) 0, 7 D) 0, 8 E) topib bo’lmaydi
19.Agar 5 ≤ x ≤ y ≤ z ≤ t ≤ 320 bo’lsa, fodaning eng kichik qiymatini toping?
A) 0, 25 B) 0, 5 C) 1, 6 D) 0, 16 E) topib bo’lmaydi
20. x ning butun qiymatlari ko’paytmasini toping?
A) 120 B) 60 C) 90 D) 180 E) 210
21. tengsizlikni yeching.

22. 
    tengsizlikni yeching.
    

22. 
    tengsizlikni yeching.
    

24. tengsizlik nechta butun yechimga ega?
A) 1 ta B) 2 ta C) 3 ta D) 4 ta
25. tengsizlikni yeching.
A) (-1,5;-0,25) B) (0,25; 1,5)
C) (-1,5; 1,5) D) (-1,5;-0,25)u(0,25; 1,5)
26. tengsizlikni yeching.

27. 
    tengsizlikni yeching.
    

27. 
    tengsizlikni yeching.
    

27. 
    tengsizlikni yeching.
    

27. 
    tengsizlikni yeching.