1. Funksiyalarning qaysilari kvadrat funksiya?

Variant I
1. Funksiyalarning qaysilari kvadrat funksiya?
A) х + 2х² – 3; B) у = х² – х³; C) у = 5х – 1; D) у =
2. у = -2х² + 8х – 13 parabola uchining koordinatalarini toping.
A) (2;-5); B) (-2;-9); C) (2;-7); D) (2;5).
3. Tengsizlikni yeching:
A ;
4. Tengsizlikni yeching: .
;
5. Tenglamalar sistemasini yeching:
6. х+у yig’indini toping, agar bir juft son (х; у) tenglamalar sistemasining yechimi bo’lsa.

A) ; B) ; C) ; D) .
7. Tengsizlikni hadma-had qo’shish: 6 > -1 и 3 > 2
A) 3>1; B) 9 >1; C) 9>3; D) 9>-3
8. Tengsizliklarni ko’paytiring: va
A) ; B) ; C) ; D)
9. Tengsizlikni yeching: 12 + 6x 27 + x.
A) B) C) D)
10. Tengsizlikni yeching: 12(3x –1) – 18(2x + 2) > 2
A) B) C) D) yechimi yoq.
11. Tengsizliklar sistemasini yeching:
A) B) C) D)
12. Ildizni qiymatini toping.
A) B) C) D)
13. Ifodani soddalashtiring:
A) B) C) D)
14. Tenglamani yeching: 5x²–13x + 6 = 0
A) B) - C) D)
15. Tenglamani ildizini toping: 8x(1 + 2x) = - 1.
A)0,25; B) 0; C) –0,25; D) 0,2.
16. Ildizlari -8 va -2. ga teng bo’lgan kvadrat tenglama tuzing.
A) х² – 6х +16 = 0; B) х² +6х – 16 =0; C) х² +10х +16 = 0; D) х² – 10х – 16 =0.
17. Ko’paytuvchilarga ajrating: х³ –3х²+ 2х.
A) х(х +1)(х – 2); B) х(х -1)(х – 2); C) х(х - 1)(х + 2); D) х(х + 1)(х + 2).
18. Tenglamalar sistemasini yeching:
A) (3;5),(4;2); B) (3;5,(-2;-6); C) (-3;-5),(4;2); D) (-3;-5),(-4;-2).
19. Bi kvadrat tenglamani yeching: х⁴ –13х² + 36 = 0.
A) B) ; C) ; D)
20. To’g’ri to’rtburchakning tomonlari 25 sm va 60 sm. Uning dioganalini toping.
A) 63 см; B) 65 см; C) 64 см; D) 60 см.
21. Uchburchakning uchta tomoni 4, 13,15 ga teng. Uchburchakning yuzini toping
A) 24; B) 49; C) 14; D) 12.
22. Doiraga ichki chizilgan АВС burchak 70^о ga teng. agar ВC yoy 130^о ga teng bo’lsa. AB yoyning qiymatini toping, A) 90^о; B) 80^о; C) 110^о; D) 120^о.
23. АС va BD vatarlar kesishadi, АВD burchak 40^оga, АDС burchak 70^оga teng bo’lsa.САD burchakni toping
A) 70^о; B) 75^о; C) 80^о; D) 60^о.
24. To’g’ri burchakli uchburchakning katetlari 5 sm va 12 sm. Uchburchakka ichki chizilgan aylanani radiysini toping.
A) 2 sm; B)3sm; C) 1sm; D) 4 sm.
25.АBC va A₁B₁C₁uchburchaklar o‘xshash bo‘lib, АB kesma 5 sm, BC kesma 7 sm, A₁B₁kesma 10 sm bo‘lsa, B₁C₁ ni toping.

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javob
ball

А) 12 см; В) 16 см; С) 14 см; D) 10 см.
II variant
1.Funksiyalarning qaysi biri kvadrat funksiya emas?
A) х + 2х² ; B) у = х² – 1; C) у = х² + ; D) у = х² – х – 1.
2. у = 2х² + 12х + 15 parabola uchiningkoordinatalarini toping.
A) (-6;15); B) (-3;-6); C) (3;69); D) (-3;-3).
3. Tengsizlikni yeching: .
A ;
4. Tengsizlikni yeching:
A ;
5. Tenglamalar sistemasini yeching:
6. Agar bir juft son (х; у) tenglamalar sistemasining yechimi bo’lsa,
yig ‘indini toping :
A) 5; B) 1; C) -1; D) 2.
7. Tengsizlikni hadma-had qo’shing: 0 <4 и -1 < 4,5
A) -1 < 8,5; B) 1< 8,5; C) 0< 0,5; D) -1 < 0,5.
8. Tengsizliklarni ko’paytiring: va
A) B) ; C) ; D)
9. Tengsizlikni yeching: 3 – х< 11 + 4х.
A) B) C) D)
10. Tengsizlikni yeching: 5(2 + x) –6 (3-x) <х
A) B) C) D)
11. Tengsizliklar sistemasini yeching
A
12. Ildizniqiymatini toping:
A) B) C) D)
13. Ifodanisoddalashtiring:
A) B) C) D)
14. Tenglamaniyeching: 2х² – 9х - 5 =0.
A) B) - C) D)
15. Tenglamaniildizini toping: 2х(х - 8) = -х - 18.
A) -1,5;6 B) 1,5;6 C) 1,5;-6 D) –1,5;-6.
16. Ildizlari 5va -2. ga teng bo’lgan kvadrat tenglama tuzing.
A) х² - 3х – 10 =0; B) х² + 3x – 10 =0;
C) х² + 7х – 10 = 0; Dg) х² - 3х + 10 =0.
17. Ko’paytuvchilarga ajrating: х³ + 10х² + 9х.
A) х(х - 1)(х - 9); B) х(х + 1)(х - 9); C) х(х - 1)(х + 9); D) х(х + 1)(х + 9).
18. Tenglamalar sistemasini yeching:
A
19. Bikvadrat tenglamani yeching: .


20. To’g’ri to’rtburchakning tomonlari 9 smva 12 sm. Uning dioganalini toping.
A) 15 sm; B) 13 sm; C) 16 sm; D) 14 sm.
21. Uchburchakning uchalla tomoniga 15, 15,18 ko’ra uchburchakning yuzini toping .
A) 108; B) 109; C) 110; D) 98.
22.Doiraga ichki chizilgan АВС burchak 60^о ga teng. Agar AB yoy 90^о bo’lsa. BC yoyning qiymatini toping.
A) 150^о; B) 140^о; C) 130^о; D) 160^о
23. АСva BD vatarlar kesishadi, АВD burchak 100^оga АDС burchak 60^о ga teng bo’lsa, САD burchakni toping
A) 10^о; B) 20^о; C) 40^о; D) 50^о
24. To’g’ri burchakli uchburchakning katetlari 3sm va 4 sm.Uchburchakka tashqi chizilgan aylananing radiusini toping.
A) 3 sm; B) 2 sm; C) 1sm; D) 4 sm.
25. АBC vaА₁B₁C₁uchburchaklar o‘xshash bo‘lib, АB kesma 2sm, BC kesma 3sm vaА₁B₁ kesma 6sm ga teng. B₁ C₁ ni toping_. .
A) 6sm; B) 6sm; C) 4sm; D) 9sm.

№	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
javob
ball