Test varianti raqami
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Matematika 1918941
TEST VARIANTI RAQAMI: 1918941
MATEMATIKA Ushbu test varianti 30 ta test topshirig‘idan iborat. Uni bajarishga 1 soat vaqt belgilash tavsiya etiladi. Natijani bilish uchun javoblaringizni javoblar varaqasiga belgilab, rasmini @dtmxizmatbot orqali jo‘nating. Sizga omad tilaymiz! Test varianti raqamini javoblar varaqasiga to‘g‘ri ko‘chiring! 1 9 1 8 9 4 1 9 8
6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 1. Tengsizlikni yeching: (3x − 12) 2 · (4x − 12) ≥ (3x − 12) · (4x − 12) 2 A) [0; 3] ∪ [4; +∞) B) (−∞; 0] C) [4; +∞) D) (−∞; 0] ∪ [3; 4] 2. x = 3, 61(91), y = 3, 62, z = 3, 6(191) va t = 3, 619(1) sonlarini kamaytirish tartibida yozing.
A) y > x > t > z B) x > z > y > t C) y > x > z > t D) y > t > z > x 3. Hisoblang: 512 · 2
4
3 2 7 2 · 128
· 2 −4 −3 · 4
−5 A) 1
B) 4 C) 1 2 D) 8
4. Matematikadan yozma ish topshirgan o‘quvchilarning 1 8
7 12 qismi "4" baho olgan. "3" baho olganlar esa "5" baho olganlar sonidan 6 taga ko‘p. Agar 2 ta o‘quvchi "2" baho olgan bo‘lsa, nechta o‘quvchi "4" baho olgan? A) 28 B) 35
C) 14 D) 12
5. SABC uchburchakli piramidaning yon qirralari SA = 8 dm, SB = 10 dm va SC = 12 dm. Agar ∠ASB=30
◦ , ∠BSC=45 ◦ va ∠ASC=60 ◦ bo‘lsa, piramidaning yon sirti yuzini (dm 2 )
A) 20 √ 3 + 30 √ 2 + 24
B) 20 √ 2 + 30 √ 3 + 24
C) 20 √ 2 + 30 + 24 √ 3 D) 20 + 30 √ 2 + 24
√ 3 6. f (x) = (k + 2) x + 2 funksiya k ning qanday qiymatlarida o‘suvchi bo‘ladi? A) k > −2 B) k ∈ R C) k < −2 D) k < 0 7. sin 2x = cos 4 x − sin
4 x tenglamaning eng kichik musbat yechimini toping. A) π 8 B) 3π 8 C) 5π 8 D) 3π 4 8. y ning qanday qiymatlarida a (−2; y; −9) vektorning uzunligi 11 ga teng bo‘ladi? A) y = ±7 B) y = ±9 C) y = ±6 D) y = ±2 9. 30 ta o‘quvchidan 3x + 1 tasi rus tilini, 2x − 1 tasi ingliz tilini, x − 1 tasi rus tilini ham ingliz tilini ham biladi. 5 tasi esa rus tilini ham ingliz tilini ham bilmaydi. Nechta o‘quvchi rus tilini biladi? A) 19 B) 13
C) 17 D) 11
10. Ifodani soddalashtiring: a − 7 2 − 1 a 2 a − 5 2 − a
−1 + a
2 − 1 a − 1.
A) a − 1 B) a
2 − 1
C) a + 1 D) 1 − a
2 11. a soni quyidagilardan qaysi biriga teng bo‘lganda a; a + 6 va a + 14 sonlar tub sonlar bo‘ladi?
A) 19 B) 17
C) 13 D) 11
12. x 2 + y 2 − 2
√ 3x + 4y − 1 = 0 tenglama bilan berilgan aylananing markazi koordinata tekisligining qaysi choragida joylashgan? A) IV B) I
C) III D) II
13. q (x 2 − 121)
2 · (32 − 14x − x 2 ) =
= 121 − x 2 · √ 32 − 14x − x 2 tenglikni nechta butun son qanoatlantiradi? A) 14
B) 16 C) 18
D) 15 14. f (x) = x · cos x 2 funksiyaning x 0 =0 nuqtadagi hosilasini toping. A) −1
B) 0 C) 2
D) 1 c Davlat test markazi, 2019 1 1918941 Matematika 15. a
b + 2a 2 b − 3ab a 3 + 5a 2 + 6a
·
1 − a 2 a 2 + 3a + 2
−1 + 2b ifodaning a = 1 3
A) −6 B) 1 3 C) −6
1 3 D) 9 16. f (x) = ax 2 + bx + c funksiyaning grafigi A(−2; 5), B(3; 10) va C(−1; −2) nuqtalardan o‘tadi. f 0 (3) − 2f (2) ning qiymatini toping. A) 9 B) −3
C) 6 D) 4
17. log 2 2 x + 2 ≥ 3 log 2 x tengsizlikni yeching. A) (0; 2] ∪ [4; ∞) B) 0; 1 4 ∪ 1 2 ; ∞
C) [2; 4] D) (−∞; 2] ∪ [4; ∞) 18. Integralni hisoblang: R (7x − 3) cos 4xdx. A) (7x − 3) sin 4x 4 − 7 16 cos 4x + C B) (7x − 3) cos 4x 4 + 7 16 sin 4x + C C) (7x − 3) sin 4x 8 + 7 4 cos 4x + C D) (7x − 3) sin 4x 4 + 7 16 cos 4x + C 19. Ikki shahar orasidagi masofa 126 km. Bu masofa 1:6000000 masshtabli xaritada necha millimetrga teng bo‘ladi? A) 210
B) 2,1 C) 21
D) 0,21 20. 1
1 6 ; 1 1 2 ; 1 5 6 ; ... sonlar arifmetik progressiyaning hadlari bo‘lsa, uchinchi hadi o‘ninchi hadining necha foizini tashkil etadi? A) 24 B) 52
C) 44 D) 66
21. 8 5− x2 3 < 1 2 tengsizlikning eng kichik natural yechimini toping. A) 5 B) 4
C) 6 D) 3
22. Hisoblang: log
0,25 tg π 4 + log
0,25 cos
π 4 + log 0,25 ctg
π 4 . A) 1 B) −
1 2 C) 0 D) 1 4 23. Tekislikda ixtiyoriy uchtasi bitta to‘g‘ri chiziqda yotmaydigan 8 ta nuqta berilgan. Uchlari shu nuqtalarda bo‘lgan jami nechta har xil uchburchak mavjud? A) 56 B) 50
C) 52 D) 54
24. 3x 2 − 48 (x + 3) = (6x + 18) (x − 4) tenglamaning barcha ildizlari yig‘indisini toping. A) 2
B) −1 C) −5
D) 5 25. ABCD parallelogrammning BC va CD tomonlaridan mos ravishda M va N nuqtalar shunday tanlab olinganki C uchidan boshlab hisoblaganda (BC va CD tomonlarini) 2:1 nisbatda bo‘ladi. Agar parallelogrammning yuzi 54 ga teng bo‘lsa, AM N uchburchakning yuzini toping. A) 12 B) 24
C) 18 D) 36
26. y = p 2x + 24 − x 2 7 (x+2) 2 −4 − 1 funksiyaning aniqlanish sohasiga nechta butun son tegishli? A) 10 B) 8
C) 11 D) 9
27. Agar x=3, y=4 bo‘lsa, xy 2 x 2 y − 13xyxy ifodaning qiymatini toping. A) −144
B) 72 C) 144
D) −72 28. a va b natural sonlar uchun a 5
9 b + 2
bo‘lsa, u holda a + b ifodaning eng katta qiymatini toping. A) 45
B) 16 C) 44
D) 12 29. Markazi (0; 0) nuqtada bo‘lgan aylanadagi A √
3 2 ; 1 2 ! nuqtani soat mili harakatiga qarama-qarshi yo‘nalishida aylana bo‘ylab 120 ◦
nuqtaning koordinatalari yig‘indisini toping. A) − √ 3 + 1
2 B) √ 3 − 1 2 C) −1 D) 1 30. To‘la sirtining yuzi 54π ga teng silindrning hajmi eng ko‘pi bilan qanchaga teng bo‘lishi mumkin?
A) 54π B) 52π
C) 56π D) 58π
c Davlat test markazi, 2019 2
Matematika 1918941
Test varianti “Test topshiriqlari to‘plami 2019” asosida shakllantirilgan: 1 – 68-bet 24 2 – 10-bet 8 3 – 25-bet 32 4 – 20-bet 42 5 – 109-bet 22 6 – 71-bet 13 7 – 42-bet 77 8 – 117-bet 30 9 – 122-bet 26 10 – 27-bet 53 11 – 9-bet 23 12 – 93-bet 24 13 – 66-bet 71 14 – 77-bet 3 15 – 51-bet 60 16 – 84-bet 64 17 – 57-bet 22 18 – 89-bet 38 19 – 18-bet 19 20 – 31-bet 15 21 – 53-bet 17 22 – 34-bet 3 23 – 124-bet 12 24 – 60-bet 11 25 – 103-bet 95 26 – 73-bet 39 27 – 45-bet 9 28 – 14-bet 45 29 – 97-bet 54 30 – 114-bet 59 c
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