Dekabr oyi uchun test sinovi 1-variant 1

9. Tengsizlikni yeching.

10. Tenglamani yeching. |19+|x+5||=0

A) –5 B) 7 C) 9 D) yechim yo'q

11. ABC uchburchakning har bir tomoni o'z uzunligiga teng uzunlikka davom ettrilgan. Natijada A₁B₁C₁ uchburchak hosil bo'ldi. Agar ABC uchburchak yuzi 5 ga teng bo'lsa, A₁B₁C₁ uchburchak yuzini toping

A) 30 B) 35 C) 20 D) 15

12. Ushbu |x–4|≤12 tengsizlikning eng katta va kichik butun yechimlar yig'indisini toping.

A) 6 B) –8 C) 8 D) –6

13. Tenglamaning nechta butun yechimi bor? .

А) 3 В) 5 С) 11 D) 8.

14. Sonlarni kamayish tartibida joylashtiring.

A) n>m>p>q B) m>n>p>q C) m>p>q>n D) p>m>q>n

15. ABCD to'rtburchakning har bir tomoni o'z uzunligiga teng uzunlikka davom ettrilgan. Natijada A₁B₁C₁D₁ to'rtburchak hosil bo'ldi. Agar A₁B₁C₁D₁ to'rtburchak yuzi 5 ga teng bo'lsa, ABCD to'rtburchak yuzini toping A) 1 B) 25 C) 15 D) 10

16. Ushbu |8–x|<4 tengsizlikning eng katta butun yechimini toping. A) 12 B) 10 C) 11 D) 8

17. To’gri burchakli uchburchakning gipotenuzasi 13sm va katetlari 2:3 nisbatda bo’lsa, uchburchak yuzini toping.

A) 39 B) 26 C) 52 D) 65

18. Hisoblang:

A) 7+2√6 B) 3√6+1 C) 4√3+1 D) 3√3-1

19. Qavariq to’rtburchakning burchaklaridan biri to’gri va qolganlari 6:5:4 nisbatda bo’lsa, eng kichik burchakni toping. А) .

20. ABC uchburchakning har bir tomoni o'z uzunligiga teng uzunlikka davom ettrilgan. Natijada A₁B₁C₁ uchburchak hosil bo'ldi. Agar ABC uchburchak yuzi 6 ga teng bo'lsa, A₁B₁C₁ uchburchak yuzini toping

A) 30 B) 35 C) 20 D) 42

21. 6133 n soni 3 ga qoldiqsiz bo’linadigan n raqamining barcha qiymatlarini toping

A) 1;7;4 B) 2;5;8 C) 0 D) 4;2

22. ABCD to'rtburchakning har bir tomoni o'z uzunligiga teng uzunlikka davom ettrilgan. Natijada A₁B₁C₁D₁ to'rtburchak hosil bo'ldi. Agar ABCD to'rtburchak yuzi 6 ga teng bo'lsa, A₁B₁C₁D₁ to'rtburchak yuzini toping

A) 30 B) 25 C) 20 D) 15

23. tenglamaning eng kichik ildizini toping. A) 5 B) 6 C) 7 D) 8

24. |z|z⁴–27|z²|=0 tenglamani yeching.

A) 0;3 B) 3;–3 C) 0;±9 D) –3;0;3

25. Yuzi 48 ga teng bo'lgan ABC uchburchakning AC tomoni D nuqtada AD:DC=1:7 kabi nisbatda bo'linadi. ABD uchburchakning yuzini aniqlang.

A) 4 B) 6 C) 5.5 D) 8

26. To'rtburchak burchaklari 3:5:4:6 nisbatda. To'rtburchakning kichik burchagini toping.

A) 80° B) 30° C) 60° D) 40°