Matematika test 7-sinf (ixtisos) 1-variant

Matematika test 8-sinf (ixtisos)
1-variant

1. Soddalashtiring:

A) –1 B) 3 C) D)

2. Agar 5 ≤ x ≤ 9 va 4 ≤ y ≤ 11 bo’lsa, ifodaning eng katta qiymatini toping.

A) 9,125 B) 7,25 C) 6 D) 15,25

3. Agar x – y = 2 va xy = 4 bo’lsa, x³y + xy³ ni hisoblang.

A) 16 B) –16 C) 48 D) 72

4. Hisoblang:

А) 6 С) 24 С) 2 D) 18
5. Sonlarni taqqoslang: , ,
А) a < b < c С) c < b < a С) c < a < b D) a < c < b
6. Ildizlari 2 va bo’lgan kvadrat tenglama tuzing.
A) B)
C) D)
7. Ifodaning qiymatini toping:
A) 4 B) 4 – 2 C) 0 D) – 2
8. tenglama ildizlarining ko’paytmasini toping.
A) 36 B) –36 C) 12 D) 144


9.Tenglamalarsistemasiniyeching:

10.Ikkisonningo’rtaarifmetigi 22,5gateng, аyirmasining qismi ga teng. Katta sonni toping.
А) 20; B) 25; c) 23; d) 22.
11. tenglamalarsistemasiningyechimi bo’lsin. ni toping.
А) 17; .
12. tengsizlikniyechibshutengsizlikyechimibo’lganeng kata butunsonniko’rsating.
А) 0; c) d) .
13. ningqandayqiymatlarida va kasrlaryig’indisi2dankatta.

14. To’g’ri chiziq (2;3) va (4;7) nuqtalardan o’tsa, quyidagi nuqtalarning qaysi biri bu bu to’g’ri chiziqda yotadi?
А) (0;2) B) (1;2) C) (2;4) D) (3;5)
15. Agar kvadratning diagonali 2 sm bo’lsa, unga ichki chizilgan doiraning yuzasi necha sm² bo’ladi?
A) B) C) π D) 2π
16. Balandligi 52 m bo’lgan minora ma’lum bir joydagi nuqtadan 60° li burchak ostida ko’rinmoqda. Bu nuqtadan minoraning asosigacha bo’lgan masofa taqriban necha m bo’lishi mumkin?
А) 60 m С) 52 m С) 30 m D) 90 m

17. ABC uchburchakda AD = DC bo’lsa, ABD va CBD uchburchaklarning yuzlari S₁ va S₂ ni taqqoslang.

A) S₁ > S₂ С) S₁ < S₂ С) S₁ = S₂ D) aniqlab bo‘lmaydi
18.To’g’rito’rtburchakningperimetri28 sm, uningyuzi 40m²gateng.To’g’rito’rtburchakningtomonlarini toping.
А) 5 smva 8 sm; B) 4 smva 8 sm; c) 4 smva 10 sm; d) 2 smva 12 sm.