Matematika. 10-sinf. Test savollari

Matematika.10-sinf. Test savollari.

1. 
   Quyidagi toplamlar qaysi elementlardan tuzilgan.
   

a) 1va 3 bilangina yoziladigan barcha uch xonali sonlar
toplami.
b) 1;3;5 raqamlaridan faqat bir marta foydalanib
yoziladigan barcha uch xonali sonlar toplami.
v) raqamlarining yig’indisi 5 ga teng bo’lgan uch xonali son
lar toplami.
g) 100 dan kichik va oxirgi raqami 1 bo’lgan barcha natural
sonlar toplami.

2. 
   k ning qanday qiymatida y = kx ² – 2 funksiyaning grafigi A(-1;1) nuqtadan o`tadi ?
   

A) 4 B) -3 C) 3 D) 2 E) -1
_3. Ifodaning qiymatini toping:
_A. B. C. 2 D . *-
?
4. y = 2x ² + bx +c parabolaning uchi (-3;-5) nuqtada joylashgan. Bu funksiya nollarining o`rta arifmetigini toping.
A) -1 B) -2 C) -3 D) 1 E) 5
5. tenglamani yeching.
A. * B.
<sub>C. D.
6. Quyidagi parabolalardan qaysi biri OX o`qi bilan kesishadi ?</sub>
1) y = 2x ² – 5x + 8 2) y = -2x ² – 8x -8 3) y = x ² – 3x – 8 4) y = -3x ² + 6x -12
A) 1 B) 2 C) 3 D) 4 E) hech qaysi
7. Agar bo’lsa, quyidagilardan qaysi biriga teng?
_A. 5 – a B. 3 – a C. *4 – a D. 3 -
8. Agar a > 0 va b ² - 4ac < 0 bo`lsa, y = ax ² + bx +c funksiyaning grafigi koordinatalar tekisligining qaysi choraklarida joylashadi ?
A) I, IV B) I, II, IV C) IV D) III, IV E) I,II
9. Tengsizlikni yeching: (x – 2) (x+3) > 0.
A) (-∞;2) U (3;∞) B) (-∞;-3) U (2;∞) C) (-∞;-2) U (3;∞) D) (-∞; ∞)
10. Ushbu (y +6) (y +2) < 0 tengsizlikning barcha butun yechimlari yig`indisini toping.
A) 12 B) 20 C) -12 D) -20 E) -9
11. Tengsizlikning butun yechimlari ko`paytmasini toping: 2x ² – 9x + 4 <0
A) 0 B) 4 C) 24 D) 8 E) 6
12. Tengsizlikni yeching: (x – 2) ² + 3 (x – 2) ≥ 7 – x
A) [0;1] U [3;∞) B) [-2;1] C) [-3;3] D) [3;∞ ) E) (-∞;-3] U [3; ∞)
13. Tengsizlikning butun yechimlari yig`indisini toping: 2x ² ≤ 5x + 12.
A) 4 B) 9 C) 7 D) 5 E) 6
14. (x + 2) (x – 2) – 2(x – 1) ≤ 23 – 2x
A) (-∞;5] B) (0;25] C) [-5;5] D) [- ; ] E) Ø
15. x ² + 2x -15 < 0 tengsizlikning natural sonlardagi yechimlari ko`paytmasini toping.
A) 0 B) 2 C) 4 D) 6 E) 24
16. Tengsizlikni yeching: x ² – x + 1 > 0.
A) Ø B) [0;∞) C) (-∞ ; ∞) D) (-∞;0) E) (0;∞)
17. 2 – x – x ² ≥ 0 tengsizlikning eng katta butun yechimini toping.
A) 1 B) 2 C) -1 D) -2 E) 0
18. 9x ² – 6x + 1 > 0 tengsizlikni yeching.
A) (-∞; - ) (- ; ∞) B) (- ; ∞) C) (- ; ∞) D) (-∞; ) E) (-∞; ) ( ; ∞)
_19. Yig’indi qanday raqam bilan tugaydi:
20. Ikkita o`xshash uchburchakning yuzlari 6 va 24, ulardan birining perimetri ikkinсhisinikidan 6 ga ortiq. Katta uchburchakning perimetrini toping.

21. AB׀׀ CD, CA va DB to`g`ri chiziqlar O nuqtada kesishadi. OA = 5 sm, OB = 4 sm. OD = 9 sm bo`lsa, OC ni toping.

22. . AB׀׀ CD, CA va DB to`g`ri chiziqlar O nuqtada kesishadi. OA = 5sm, OB = 6 sm, AC = 2 sm bo`lsa, BD ni toping.

23. Uchburchak ABC ning tomonlari . MN׀׀ AC to`g`ri chiziq bilan kesildi. ABC va MBN uchburchaklarning perimetrlari 3:1 kabi nisbatda. ABC uchburchakning yuzi 144 ga teng. MBN uchburchakning yuzini toping.

24. ABC uchburchakning tomonlari A₁B₁C₁ uchburchakning mos tomonlaridan 2 marta katta. ABC uchburchakning yuzi A₁B₁C₁ uchburchakning yuzidan necha marta katta ?

25. . B= toplam berilgan.Shu toplamga tegishli natural sonlarni ajrating.