Algebradan yozma ish-1

Matematika 9 sinf II variant

1. Ushbu y=x² +4x - 2 porabolaning uchi koordinatalari tekisligining qayerida joylashgan.

A.I B.II V.III G. IV

2.Ushbu y=-2x² +4x-8 funksiyaning grafigi qaysi choraklarda joylashgan.

A.I B.I, II V. I, II,III G. I,II, III, IV

3.Tengsizlikni yeching. (x+2) (x-3)>0

A.(- ; ) B. (- ;3) (2;+ ) V. (- :-2) (3; ) G.(0; )

4. Tengsizlikni yeching.

5.Funksiyaning aniqlanish sohasini toping.

y=

6. Hisoblang.
A.15 B.20 V. 60 G.30
7. Hisoblang.
A.
8. . f(x) = funksiyaning aniqlanish sohasini toping

9. y = funksiyaning aniqlanish sohasini toping

10. 216⁰ ning ragian o`lchovini toping

11. radian necha gradusga teng.

A. 220 B. 240 V. 230 G. 210

12. Arifmetik progressiyada _va bo`lsa

A. 779 B. -773 V.41 G) -41

13. Arifmetik progressiyada bo`lsa

A.30 B.35 V. 45 G) 40

14. Geometrik progressiyada bo`lsa

A.6 B.8 V.7 G.12

15. Geometrik progressiyada bo`lsa, 4- hadini toping.

A. 10 B.12 V. 4 G. 6

16. Hisoblang.

17. ABllCD CA va DB to`g`ri chiziqlar 0 nuqtada kesishadi. OA= 6sm

BD=2,4 sm, AC=2 sm bo`lsa, OA ni toping.
A. 5,5 B. 5,2 V. 4,8 G. 5

18. 2 ta o`zshash uchburchaklarning perimetrlari 18 va 36 ga, yuzalarining yig`indisi 30 ga teng. Katta uchburchakning yuzini toping.

A.20 B. 24 V. 26 G. 32

19. To`g`ri burchakli uchburchakning kateti 2ga, bu katet qarshisidagi burchak 60⁰ ga teng. Uchburchakning gipotenuzasini toping.

A. 4 B. V. 2 G.
20. Uchburchakkaning burchaklari qiymatlari 1:2:3 kabi nisbatda, katta tomoni
4 ga teng. Uchburchakning perimetrini toping.
A.8+3 B. 3(2+ ) V.11 G. 6+6

21. Aylananaing uzunligi 18π ga teng.Aylanadagi AB vatar 90⁰ li yoyni tortib turadi. Vatarning uzunligini toping.

A.18 B.8 V.16 G. 8,5

22. Radiusi 32 ga teng bo`lgan aylananing radianga teng bo`lgan yoyning uzunligini aniqlang.?

A.0,5 B. V. 2 G. 4

23. Uchburchakka tashqi chizilgan aylananing radiusi formulasini ko`rsating.

A. B. V. G.

24. Katetlari 40 va 30 ga teng bo`lgan to`g`ri burchakli uchburchakka ichki chizilgan aylananing radiusini toping.

A.7 B.10 V. 6,5 G.8

25.Aylananing radiusi 6ga teng. Aylanaga ichki chizilgan muntazam uchburchakning yuzini toping.

A.27 B. 27 V. 27 G. 18