Hisoblang

26. Tenglаmа ildizlаrining yig’indisini tоping. 
А) 4 B)2 C)3 D)10 E)0
27. 
 tenglаmаning ildizlаri yig’indisini tоping.
А) -6 B) 0 C) -5 D) 6 E) 7
28. Tenglаmаning eng kаttа vа eng kichik ildizlаri аyirmаsini tоping.  = 0
А) 1 B) 8 C) 2 D) 4 E) 6
^29. Tenglamani ildizlari yig`indisini kubini toping.
A) 64 B) ildizi yo`q C) 2 D) -8
30. tenglamani ildizlari ko`paytmasini  ga nisbatini toping.
A) -1 B) -4 C) 2 D) 3
31. Hisoblang: 2020+2019-2018-2017+2016+2015-…..+4+3-2-1 A) 2020 B) 1020100 C) -20200
32. Ko’paytuvchilarga ajrating:
2𝑥⁵ − 21𝑥⁴ − 33𝑥³ + 803𝑥² − 1689𝑥 + 378 A) (2x-7)(𝑥² + 4𝑥 + 1)⁽𝑥 − 9⁾(𝑥 + 6)

−2 2 2 2
B) (2x-7)(𝑥² − 4𝑥 + 1)⁽𝑥 − 9⁾(𝑥 + 6) 33. Hisoblang:


9 9 180
10 ∗ 12 ⁻ 12 ∗ 14 ⁻ 14 ∗ 16 ^{− ⋯… .−}98 ∗ 100 A) -₁₀₀ B) ₁₀₀ C) -₁₀₀
34. Geometrik progressiyada 𝑏₁ = 2 , q=-0,5 bo’lsa, S ning qiymatini

toping?


1 1
A) 1₄ B) 1₃


1
C) -1₃
35. f(x)=𝑥² + 𝑥+5

bo’lsa, f(_√2-1) ning qiymatini toping?

A) 9-_√2 B) 7-2_√2 C)7-_√2
36. f(x)=𝑥²-4x+1 va g(x)=𝑥²+1 bo’lsa, f(g(2)) ning qiymatini toping? A) 6 B) 7 C) 14
37. 25³⁰⁰ − 19 ning oxirgi 2 ta raqamini toping? A) 07 B) 06 C) 14
38. Konus asosining radiusi 5 ga, balandligi 24 ga teng bo’lsa, uning hajmining yarmini toping?
A) 200П B) 50П С) 100П
39. Agar bugun yakshanba bo’lsa, 8³⁰⁰ kundan so’ng, haftaning qanday kuni bo’ladi?
A) Dushanba B) Shanba C) Yakshanba
40. Agar f(x)=𝑥² − 4𝑥 + 5 , g(x)=𝑥² + 2, h(x)=x+1 bo’lsa, f(g(h(2))) ning qiymatini toping?
A) 83 B) 81 C) 82
41. Rombning diagonallari 16 va 12 ga teng bo’lsa, uning perimetrini toping?

A) 400 B) 40 C) 32
42. F(x)=2x-1 bo’lsa, f(f(f(2))) ning qiymatini toping? A) 9 B) 10 C) 15
43. Uchburchakning yuzini toping?


12 15
13

A) 20_√14 B) 22_√14 C) 40
44. b-a ning qiymatini toping?

b

14

a

12


1 1 1 1 1
A) 10 B) 2 C) 5 45. Hisoblang:

3 ⁺ 9 ⁺ 27 ⁺ 81 ⁺ 243 ^{+ ⋯…} A) ½ B) 1/3 C) 1/729
46. Tenglamalar sistemasini yeching:
^𝑥 + 𝑦 + 𝑧 = 0 { ^{2𝑥 − 2𝑦 + 𝑧 = 1}
4𝑥 + 𝑦 + 5𝑧 = −1
A) 1;0;-1 B) 0;0;-1 C) -1;0;1
47. ^{𝑆𝐴𝐷𝐸} ning qiymatini toping? 𝐴𝐵𝐶
A

2

5 E

D 6

3

B C

A) 4/5 B) 5/7 C) 5/32

48. 5600 ning bo’luvchilari yig’indisini toping?

A) 15624 B) 7000 C) 10244

49. Ketma-ketlikdagi keyingi sonni toping?

6 11 21 41 81 ____

A) 101 B) 111 C) 161

50. 1*2*3*4*5*6*………*99 ifodaning qiymati nechta 0 bilan tugaydi?

A) 21 B) 22 C) 23