1. XX аср бошига келиб қорақалпоқ демократик анъаналарини янги авлод вакилларини аниқланг?

Test. Matematika.9-sinf.I-variant.
1. Uzunligi aylana radiusiga teng bo'lgan yoyga tiralgan markaziy burchak ….. burchak deyiladi.
A) 1 radian B) 1 gradus C) to'g'ri burchak D) 2 radian
2. 1 radian burchakni gradus o'lchovini toping? A) 1 gradusga B) ga C) ()⁰ ga D)  gradus
3. a rad burchakni gradus o'lchovini toping? A) 1 gradusga B) ga C) ( )⁰ ga D)  gradusga
4. 1 gradus burchakni radian o'lchovini toping? A) 1 radianga B) ga C)  radga D)  radga
5. a gradus burchakni radian o'lchovga o'tkazing?
A) 1 radianga B) ga C)  radga D)  radga
6. 240⁰ ning radian o'lchovini toping? A) B) C) D)
7.  radian necha gradus bo'ladi? A) 220 B) 240 C) 230 D) 225
8 .  ning radian o'lchovini toping? A) B) C) D)
9.  radian necha gradusga teng? A) 230⁰ B) 220⁰ C) 250⁰ D) 240⁰
10. Koordinata tekisligida radiusi 1 ga teng bo'lgan va markazi koordinata boshida bo'lgan aylana nima deyiladi? A) asosiy aylana B) doira C) birlik aylana D) ellips
11. P(1; 0) nuqtani koordina boshi atrofida 90⁰ ga burganda, u qaysi nuqtaga o'tadi?
A) (0; 1) B) (-1; 0) C) (1; 0) D) (0;-1)
12. P(1; 0) nuqtani koordina boshi atrofida 180⁰ ga burganda, u qaysi nuqtaga o'tadi?
A) (0; 1) B) (-1; 0) C) (1; 0) D) (0;-1)
13. P(1; 0) nuqtani koordina boshi atrofida 270⁰ ga burganda, u qaysi nuqtaga o'tadi?
A) 0; 1) B) (-1; 0) C) (1; 0) D) (0;-1)
14. P(3; 0) nuqtani koordina boshi atrofida 270⁰ ga burganda, u qaysi nuqtaga o'tadi?
A) (0; -3) B) (3; 3) C) (-3; 0) D) (0; 3)
15. P(-3; 0) nuqtani koordina boshi atrofida 90 ga burganda, u qaysi nuqtaga o'tadi?
A) (0; 3) B) (3; 3) C) (-3; 0) D) (0; -3)
15. Ildizini toping ? a) b) c) d)
16. Parabo`laning uchini fo`rmilasi to`g`ri berilgan qatorni ko`rsating ?
a) x= b) D=b<sup>2</sup> – 4ac c) x= d) to`g`ri javob yo`q
17. Ikki sonning yig`indisi 18ga, ularning ko`paytmasi esa 65ga teng shu sonlarni toping.
a) 15 va 3. b) 16 va 2 c) 14 va 4 d) 13 va 5
18. Soddalashtiring: 8a-(3a-2b)-5b a) 5a-3b B) 11 a-7b c) 5a-b
d) a-b
19.Bir to`g`ri burchakli uchburchakning o`tkir burchagi ikkinchi to`g`ri burchakli uchburchakning o`tkir burchagiga teng bo`lsa, bu o`tkir burchakning sinusi ………… bo`ladi.
a) o`xshash b) teng c) boshqa burchaklari teng d) to`g`ri javob yo`q.
20. Rombning dioganallari 6 va 8 sm uning tomonlarini toping. a) 5 b) 6
c) d)