24. ni hisoblang.
a). 0,45
b). 0,27
с) 0,3
*d) 0,06
25. Hisoblang.
a). 38
b). 30
*c). 40
d). 44
26. Tenglamani yeching.
a). ![](data:image/png;base64,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)
b).
*c). ![](data:image/png;base64,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)
d).
27. x1 va x2 x2 –rx + r – 1 = 0 tenglamaning ildizlari r ning qanday qiymatida yig`indi eng kichik qiymatni qabul qiladi?
a). 2
b). –2
*c). 1
d). –1
28. Agar bo`lsa, xy ning qiymatini hisoblang.
a). 8
*b). 10
c). 6
d). 12
29. Tengsizlikni yyeching.
*a). ![](data:image/png;base64,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)
30. Ushbu tenglamaning ildizlariko`paytmasini toping.
*d). 0
31. Tengsizlik nechta butun echimga ega?
*d). 8
32.Agar geometrik progressiyada ni toping.
*a). 4
b). 3
c). 2
d). 1
33.Natural a sonni natural b songa bo`lganda, bo`linma s ga va qoldiq d gateng bo`ldi. Agar bo`linuvchi va bo`luvchi 2 marta orttirilsa, d qanday o`zgaradi?
a). o`zgarmaydi
b). 2 marta kamayadi
c). 1 taga ortadi
*d). 2 marta ko`payadi
34.Mahsulotning narxi birinchi marta 25% ga, ikkinchi marta yangi bahosi yana 20% ga oshirildi. Mahsulotning oxirgi bahosi necha foizga kamaytirilsa, uning narxi dastlabki narxiga teng bo`ladi?
a). 45
b). 48
c). 50
*d). 33
35.A(-2;5) nuqtadan 5x –7y –4 =0 to`g`ri chiziqqa parallel ravishda o`tuvchi to`g`ri chiziqning tenglamasini ko`rsating.
a). 3x-4y+35=0
b). 3x+4y-35=0
c). 5x –7 y –45 =0
*d). 5x –7y + 45=0
36.Tenglamani yeching.
a). 5
b). 10
c). 14
*d). 7
37.Hisoblang.
*a).1
b). 4
c). 3
d). 2
Тенгсизликлар системасини ечинг:
*a). -
b). ![](data:image/png;base64,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)
c).
d). ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAKCAIAAAA/wjmMAAABPklEQVR4nGP5//8/A2WAhUL9+Iz4+fPn+fPnLSwsgOzDhw+/f//+379/AQEBEO6uXbv4+flLSkqgRjx48EBISOjt27cKCgqMjIyfP39etWrVr1+/QkNDIcapqKhISkqGh4dDjHj37l1zczOKK7i4uDo6OtTU1BQVFYHctrY2fX39pKQkoHEQRUD9wCCTlpaGcAUEBLZu3fr8+fOUlBSoEZycnGfOnKmpqYGoaG9vv3HjxoQJE3R0dFxdXYEiQP0LFy6sra2FKLCzswOaDlRw+fJlXV1dlj9//kyfPh2oDUgWFxcDVWzcuPHNmzd8fHzA4IDoAZr+9evXmzdvVlVVbdq06fHjx5aWli9evFBWVga5AgjKysqALGNjY4gGf39/tKBtbW2Fs4G+ALpCWFjY3t6eQIzgAt7e3mgiVEgXACCcfc/wlNNcAAAAAElFTkSuQmCC)
Agar bo`lsa, ctga ni hisoblang.
a). –4
*b). -
c). -
d). -
Soddalashtiring.
*a). – tg2 a
b). tg2 a
c). ctg2 a
d). -ctg2 a
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