Dekabr oyi uchun test sinovi 2-variant 1
Tengsizlikni qanoatlantiruvchi eng katta natural son |3x–7|
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2-variant - Dekabr test
28. Tengsizlikni qanoatlantiruvchi eng katta natural son |3x–7|<5
5>A) 4 B) 3 C) 2 D) 1 29. |2x+3|=|3x–4| tenglama nechta ildizga ega? A) 0 B) 1 C) 2 D) 3 30. Qavariq to’rtburchakning burchaklaridan biri to’gri va qolganlari 6:5:4 nisbatda bo’lsa, eng kichik burchakni toping. А) . 31. ABllCD , CA va DB to`g`ri chiziqlar 0 nuqtada kesishadi. OA= 5sm OB=4 sm, OD=9 sm , OC =? A. 10,8 B. 10,5 C. 11,25 D. 11,3 32. Ushbu y=-3x2 +8x-3 funksiyaning grafigi qaysi choraklarda joylashgan. A.I,II,III B.III, IV C. III,IV D. II, III, IV 33. Tomonlari 39sm, 42sm,45sm bo`lgan uchburchakning yuzini toping. A. 560sm2 B. 890sm2 C. 656sm2 D. 756sm2 34. Tenglamaning ildizlar yig'indisini toping. |1–2x|=5 A) –2 B) 3 C) 1 D) 0 35. x ning quyidagi tengsizlik bajariladigan barcha butun qiymatlarini toping: |5x–2| <8 A. 2,3,4 B. -1,0 C. -2,-1 D. -1;0;1
A) 20 B) 24 C) 10 D) 15 37. Agar a>b>c bo'lsa, |a–b|+|c–a|–|b–c| ni soddalashtiring. A) a–2b B) 2c C) 2a D) 2a–2b 38. |3x–1|=|5–x| tenglamaning ildizlar ko'paytmasini toping. A) –3 B) 1.5 C) 3 D) 2 39. ABC uchburchakning har bir tomoni o'z uzunligiga teng uzunlikka davom ettrilgan. Natijada A1B1C1 uchburchak hosil bo'ldi. Agar A1B1C1 uchburchak yuzi 28 ga teng bo'lsa, ABC uchburchak yuzini toping A) 1 B) 2 C) 4 D) 6 40. Tenglamani yeching. |x–4|=4–x A) 0 B) 4 C) (;4] D)(4;) 41. To’gri burchakli uchburchakning gipotenuzasi 13sm va katetlari 2:3 nisbatda bo’lsa, uchburchak yuzini toping. A) 39 B) 26 C) 52 D) 65 42. Tengsizlikni yeching. (x+2) (x-3)>0 A.(-; ) B. (-;3) (2;+ ) C. (- :-2)(3; ) D.(0; )
A) 30 B) 35 C) 20 D) 42 44. Ushbu |x–4|≤12 tengsizlikning eng katta va kichik butun yechimlar yig'indisini toping. A) 6 B) –8 C) 8 D) –6 45. y=–|x–3| funksiya grafigi qaysi choraklardan o'tadi? A) I va II B) II va III C) III va IV D) barcha chorak 46. To'rtburchakning burchaklaridan biri to'g'ri, qolganlari esa o'zaro 4:3:2 nisbatda. Kichik burchakning toping. A) 30° B) 45° C) 60° D) 50° 47. Ushbu y=x2-4x+3 porabolaning uchi koordinatalari tekisligining qayerida joylashgan. A. I B. II C.III D. IV 48. Tengsizlikni yeching. 49. Hisoblang. A) 1/2 B) 2 C) 1 D) 1/8 50. y = -2x + b funksiya grafigi M(-1;7) nuqtadan o`tadi. b ni toping. A. 9 B. 5 C. -5 D. 3 Yangi 2021-yil barchamizga omadli kelsin. Abituriyentlarimizga talaba bo’lish nasib etsin!!! Download 65.92 Kb. Do'stlaringiz bilan baham: |
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