Ixtisoslashgan maktablar uchun testlar 5 sinf 1- variant

Ixtisoslashgan maktablar uchun testlar
8 sinf
2 – variant
1. Agar  bo’lsa,  kasrning qiymatini toping.
A) 4 B) 3 C) 2 D) 5
2. Tenglamani yeching: 
A)  B) 
C)  D) 
3.  tenglama ildizlarining ayirmasi 4 ga teng. Tenglamaning ildizlarini va q ning qiymatini toping.
A)  B) 
C)  D) 
4. Tenglamani yeching: 
A)  B)  C)  D)
5.  funksiya berilgan.  ni toping.
A)  B)  C)  D) 
6. Agar   funksiyaning grafigi M(–2;8) nuqta orqali o’tsa, k koeffitsiyentning qiymatini toping.
A)  B)  C) 5,7 D) 
7. Hisoblang: 
A)  B)  C)  D) 
8. Ifodaning qiymatini toping: 
A)  B)  C) 6 D) 
9. b ning qanday qiymatlarida   tenglama chala kvadrat tenglama bo’ladi .
A)  B)  C) D)
10.  tenglama ildizlaridan biri 7,5 ga teng bo’lsa, c ni toping.
 A)  B)  C)  D) 
11.  tenglamaning ildizlari x₁ va x₂ bo’lsa,  ifodaning qiymatini toping.
A)  B)  C)  D) 
12. To’g’ri to’rtburchakning diagonali uning bir tomonidan 1,25 marta katta va ikkinchi tomonidan esa 8 sm ga katta. To’g’ri to’rtburchakning yuzini toping.
A) 240 sm² B) 260 sm² C) 340 sm² D) 192 sm²
13. Rombning bir tomoni uning diagonallari bilan 2:7 kabi nisbatdagi burchaklar hosil qiladi. Rombning burchaklarini toping.
A) 30⁰; 150⁰ B) 40⁰; 140⁰ C) 80⁰; 100⁰ D) 70⁰; 110⁰
14. Teng tomonli uchburchakning perimetri 48 sm ga teng. Uchburchakning o’rta chizig’ini toping.
A) 8 sm B) 7 sm C) 6 sm D) 24 sm
15. Qavariq o’nikkiburchakning nechta diagonali bor?
A) 170 B) 108 C) 54 D) 60
16. ABCD to’g’ri burchakli trapetsiyada BC AD, BAD = 90⁰, BD diagonal esa ADC burchakni teng ikkiga bo’ladi. Agar BC = a, BCD = 120⁰ bo’lsa, trapetsiyaning o’rta chizig’ini toping.
A)  B)  C)  D) 
17. a = 3 sm, b = 6 sm, c = 9 sm bo’lgan kesmalar berilgan. Agar  bo’lsa, d kesmaning uzunligini toping. 
A) 18 sm B) 16 sm C) 15 sm D) 17 sm
18. Parallelogrammning yuzi 144 sm², balandliklari 8 sm va 12 sm bo’lsa, uning perimetrini toping.
A) 40 sm B) 30 sm C) 80 sm D) 60 sm
19. Amallarni bajaring: 
20. Agar  bo’lsa,  kasrning qiymatini toping.
21. n ning qanday butun qiymatlarida   ifodaning qiymati butun son bo’ladi ?

22. Agar (x;y) sonlar juftligi  sistemaning yechimi bo’lsa, xy ni toping.

23. Rombning diagonallari 24 sm va 18 sm bo’lsa, uning tomonini toping.

24.  va  tenglamalar bilan berilgan to’g’ri chiziqlarning kesishish nuqtasini toping.
25. Teng yonli uchburchakning balandligi 12 sm, asosi esa 18 sm. Uchburchakning yon tomonini toping.