2. Tenglamani yeching va ildizini uchdan birini toping

M atematika Test tuzuvchi: Rasulov I

1. Ifodani soddalashtiring:

A) 13x – y B) 13x 7y C) -17x 7y D) 21x y
2. Tenglamani yeching va ildizini uchdan birini toping

A) 1 B) 2 C) 3 D) 0,5
3. Algebraik ifodaning qiymatini toping: bunda a=-2, b=-3
A) -102 B) 612 C) 102 D) -612
4. Ko’phadni birhadga ko’paytiring:
A) -12ax-3x² B) 3x²-12ax C) 3x²+12ax D) x²-12ax
5. Hisoblang:
A) a²b² B) b² C) a² D)
6. ,,Makro’’ supermarketining ,,Hammasi uy uchun’’ bo’limida 5 xil piyola, 6 xil taqsimcha, 4 xil choy qoshiq bor. Nargiza xola turli nomdagi ikkita buyum sotib olmoqchi. U buni necha xil usulda amalga oshirishi mumkin?
A) 120 B) 30 C) 74 D) 15
7. Hisoblang:
A) 1 B) 0,5 C) 4 D) 2
8. Berilgan ishni 15 kishi 12 kunda bajarishi mumkin. 4 kun ishlagandan so’ng, beshinchi kuni ularga yordam berishi uchun 5 kishi kelib qo’shildi. Qolgan ish necha kunda tugatilgan?
A) 6 B) 5 C) 7 D) 4
9. Baliqning uchdan bir qismi loyda to’rtdan bir qismi suv tagida va uch qarichi suv ustida. Baliqning uzunligini necha qarich?
A) 6 B) 7,2 C) 5,5 D) 7,5
10. Birhadlarni ko’paytiring (1,2a²)(- ab)(-5bc)(2c²)
A) 4a³b²c³ B) 4a²b²c³ C) 2a³b³c³ D) -2a³b²c³
11. Ko’phadlar ayirmasini toping.
P= Q=
A) B) -4y C) D)
12. Soddalashtiring: (1-2a)² + (1+2a)(2a-1)
A) 8a²-4a B) -2a C) -2a+2 D) 4a²+2a
13. Hisoblang:
A) B) C) D) 0,3
14. Ko’paytuvchiga ajrating: xy² – by²-ax+ab+y²-a
A) (a-y²)(a-b+1) B) (a+b+1)(y²-a)
C) (y²+a)(x-b+1) D) (y²-a)(x-b+1)
15. Hisoblang:
A) 4 B) 2,6 C) 1 D) 1,69
16. To’g’ri to’rtburchakning yuzi S ga, asosi a ga teng. uning perimetrini topishi uchun ifoda tuzing.
A) B) C) D)
17. kesmada 3 ga bo’linib, 4 ga bo’linmaydigan natural sonlar nechta ?
A) 10 ta B) 12 ta C) 9 ta D) 7 ta
18. Kubning qirralari soni a, yoqlar soni b, uchlari soni c ga teng bo’lsa, a+b+c ni toping?
A) 24 B) 26 C) 22 D) 18
19. Shavkatbek matematikadan bir kunda yechishga rejalashtirgan 50 ta testining qismini tushlikkacha, qolganining qismini 18:00 gacha yechdi. U nechta testni yecha olmagan?
A) 10 B) 32 C) 12 D) 18
20. Kitob javonining o’rtasida matematika kitobi bor. Kitob chapdan sanalganda 14- o’rinda, o’ngdan sanalganda esa 16- o’rinda bo’lsa, javonda nechta kitob bor?
A) 29 B) 30 C) 28 D) 31
21. Magazinda birinchi kuni 76 tarvuz sotildi. Ikkinchi kuni esa qolgan 54 ta tarvuz sotildi. Birinchi kuni nechta tarvuz sotilgan?
A) 220 B) 225 C) 230 D) 235