Ushbu test varianti 30 ta test topshirig‘idan iborat. Uni bajarishga
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Matematika 1919941
TEST VARIANTI RAQAMI: 1919941
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 9 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. Integralni hisoblang: 2 R
x 2 − 1 6 · xdx A) 3 6 · 7 −1 B) 3
7 · 14
−1 C) 3
7 · 7
−1 D) 3
6 · 14
−1 2. Agar prizmaning diagonallari soni 54 bo‘lsa, bu prizmaning qirralar soni yoqlari sonidan nechtaga ko‘p? A) 18 B) 14
C) 16 D) 20
3. sin x = sin 1 tenglamaning barcha yechimlarini toping.
A) x = −1 + 2πk, k ∈ Z B) x = (−1) k + πk, k ∈ Z C) x = 1 + 2πk, k ∈ Z D) x = 1 + πk, k ∈ Z 4. A = {x| x 2 ≤ 64, x ∈ R}, B = {x| x 2 > 4, x ∈ N } bo‘lsa, A ∩ B to‘plamni aniqlang. A) (2; 8] B) {2; 3; 4; 5; 6; 7; 8} C) {3; 4; 5; 6; 7; 8} D) [2; 8] 5. y = kx + b chiziqli funksiyaning grafigi I, II choraklarda yotsa, k va b larni nol bilan taqqoslang. A) k = 0, b > 0 B) k > 0, b = 0 C) k < 0, b = 0 D) k = 0, b < 0 6. Quyidagi fikrlardan qaysi biri natural sonlar uchun har doim to‘g‘ri? A) ikkita tub sonlar ko‘paytmasi toq son bo‘ladi B) barcha tub sonlar toq sonlardir C) ikkita tub sonlar yig‘indisi juft son bo‘ladi D) faqat uchta natural bo‘luvchiga ega bo‘lgan son biror tub sonning kvadratiga teng bo‘ladi 7. x
2 − 7x + 13
2
tenglamaning haqiqiy ildizlari ko‘paytmasini toping.
A) 154 B) 11
C) 14 D) 49
8. Hisoblang: 32 3 5 : 16 1 2 − p√ 81 A) −2 B) 1
C) −1 D) 2
9. Hisoblang: 3 1+log 4 5 · 4 log 5 3 · 5 log
3 4 3 log 5 4 · 4 log
3 5 · 5 log 4 3 A) 1 B) 2
C) 3 D) 4
10. 2¯ a + b va 2¯ a − b perpendikulyar vektorlar berilgan. Agar |a| = 5 bo‘lsa, b ni toping. A) 10 B) 9
C) 12 D) 8
11. 2 x+1 3 − 5 2 < 11 2 tengsizlikni yeching. A) (0; 8) B)
1 8 C) (−∞; 8) D) (8; +∞) 12. (x − 0, 2) (3 + x) 2 + (0, 2 − x) (4 − x) 2 = 5x − 1
tenglamaning eng kichik ildizi x 0 bo‘lsa, 10x 0 + 3 ni toping. A) 7 B) 11
C) 9 D) 5
13. 4x 2 ≤ x 2 − 12x + 36 ≤ 25 qo‘sh tengsizlikni qanoatlantiruvchi butun sonlar nechta? A) 4
B) 1 C) 3
D) 2 14. f (x) = x · 5 x funksiyaning hosilasini toping. A) f 0 (x) = 5 x ln 5
x − 5
x B) f
0 (x) = 2 · 5 x ln 5
x C) f
0 (x) = 5
x ln 5
x+1 D) f
0 (x) = 5
x ln 5
x + 5
x c Davlat test markazi, 2019 1 1919941 Matematika 15. (8;0) nuqtadan y = q 25 − (x − 5) 2 funksiyaning grafigigacha bo‘lgan eng qisqa masofani toping. A) √ 6 B) √ 5 C) 3
D) 2 16. Hisoblang: 6, 84 · 3, 28 + 3, 42 1, 14 · 14, 24 − 6, 68 · 1, 14 . A) 4,5
B) 1,5 C) 12
D) 3 17. Hisoblang: 10 −2
−4 + 10
−6 + 10
−8 + ...
+ 0, (26) A) 10 9 B) 9 11 C) 3 11 D) 1 3 18. Mis va ruxdan iborat qotishmaning massasi 18 kg. Qotishmaning 60%ini rux tashkil qiladi. Qotishmaning 50%ini mis tashkil qilishi uchun unga necha kilogramm mis qo‘shish kerak? A) 1,8
B) 3,4 C) 3,6
D) 4,2 19. To‘g‘ri burchakli uchburchakning eng kichik tomoni uzunligi 5 ga teng va qolgan tomonlari uzunliklari natural son bo‘lsa, uchburchakning yuzini toping. A) aniqlab bo‘lmaydi B) 6 C) 30
D) 35 20.
a 2 − 12 √ 6 + 6a − 2a √ 6 (a − 6) 9 + a
2 + (6 − a) 9 − 24
! −1 · 36 − a 2 a + √ 24 ifodaning a = 6 + √ 5 dagi qiymatini toping. A) −1 B)
5 C) −
√ 5 D) 31 21. Rasmdan foydalanib x ning qiymatini toping. 4 8 x 12 50 ◦ ( 50 ◦ ( A) 8 B) 9 C) 6,5
D) berilgan ma’lumotlar yetarli emas 22. Tashkilot 10 ta xodimidan 3 tasini Buxoroga, qolganlarini Samarqandga xizmat safariga yuboradigan bo‘ldi. Tashkilot bu guruhlarni necha xil usulda tuzishi mumkin? A) 240
B) 120 C) 180
D) 60 23. Biri ikkinchisidan 3 marta katta bo‘lgan ikki sonning yig‘indisi 9,64 ga teng. Shu sonlarning kichigini toping. A) 2,16 B) 2,21
C) 2,31 D) 2,41
24. Kasrning maxrajini irratsionallikdan qutqaring: √ 3 2 √ 3 − √ 13 − 1
A) 1 − 2
√ 3 −
√ 13 4 B) 1 − 2
√ 3 −
√ 13 2 C) 1 − 2
√ 3 +
√ 13 2 D) 1 − 2
√ 3 +
√ 13 4 25. AB kesmani A uchidan boshlab hisoblaganda C nuqta 3:4 nisbatda, D nuqta esa AC kesmani 4:3 nisbatda bo‘ladi. Agar AB kesmaning uzunligi 49 cm bo‘lsa, u holda AD kesmaning uzunligini (cm) toping. A) 12
B) 9 C) 21
D) 16 26. Asosining tomonlari 13 dm; 14 dm va 15 dm bo‘lgan uchburchakli to‘g‘ri prizmaning yon qirrasi asosining kichik balandligiga teng. Prizmaning to‘la sirtini (dm 2 ) toping. A) 638, 4 B) 470, 4 C) 710 10
D) 672 27. Hisoblang:
tg
16 + tg
3π 16 · cos π 8 − 1. A) 2
B) −1 C) 0
D) 1 28. Quyida berilgan sonlardan eng kattasini toping. A) 47
B) 7 12 C) 5 9 D) 23 36 29. f (x) = s 3 6 − x funksiyaning aniqlanish sohasiga tegishli natural sonlar nechta? A) 3
B) 6 C) 4
D) 5 30. Ko‘phadlarni ko‘paytiring: (3a + 4) · (4a − 3) A) 12a 2
B) 12a 2 + 25a − 12 C) 12a 2 − 25a − 12 D) 12a 2 − 7a − 12 c Davlat test markazi, 2019 2
Matematika 1919941
Test varianti “Test topshiriqlari to‘plami 2019” asosida shakllantirilgan: 1 – 89-bet 31 2 – 107-bet 6 3 – 38-bet 41 4 – 122-bet 24 5 – 74-bet 44 6 – 8-bet 16 7 – 65-bet 65 8 – 25-bet 30 9 – 58-bet 28 10 – 115-bet 9 11 – 54-bet 24 12 – 63-bet 38 13 – 69-bet 28 14 – 79-bet 27 15 – 83-bet 55 16 – 15-bet 53 17 – 30-bet 4 18 – 21-bet 50 19 – 101-bet 86 20 – 50-bet 53 21 – 93-bet 28 22 – 124-bet 19 23 – 16-bet 5 24 – 27-bet 51 25 – 94-bet 33 26 – 111-bet 40 27 – 43-bet 82 28 – 11-bet 12 29 – 71-bet 17 30 – 46-bet 11 c
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