9-sinf 1-variant



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[@darsliklar] 9-11 sinf matematika test

10-sinf

5-variant

x3 2



  1. Tenglamani yeching: 2 + x − 4 = 0

4 − x

A) - 2 B) 2 C) 2 D) –2 E) ∅

  1. y = 2 sin2x + 4 cos2x + 6 sinx - cosx funksiyaning eng katta va eng kichik qiymatini toping.

A) -6; 6 B) 3- 10 ; 3+ 10 C)- 10 ; 10 D) -4; 4 E) -2; 2

  1. Hisoblang: cos55o - cos65o - cos175o

A) 1/2 B) -3/2 C) D) -1/8 E)

3x +1

  1. >1 tengsizlik nechta butun yechimga ega?

9 − x

A) 2 B) 3 C) 4 D) 6 E) 7



  1. < 0 tengsizlikning barcha butun yechimlari

yig'indisni toping.

A) 5 B) 6 C) 7 D) 4 E) 3

3x − 4 a b


  1. Agar 2 = + bo'lsa, a + b = ? x −3x + 2 x − 2 x −1

A) –4 B) –3 C) 3 D) 2 E) -1

ln3 (x4 ) 3



  1. 4 3 − ln x ni soddalashtiring. ln (x )

A) 64/243 B) 32/81 C) 32/243 D) 64/81 E) 64/27

  1. Soddalashtiring: [sin3α(ctg2α + 1)+cos3α(tg2α +1)]2-sin2α-1

A) 1 B) 0 C) 1/2sin2α D) 2sin2α E) -1

⎧2x y = m +1



  1. m ning qanday qiymatlarida ⎨ tenglamalar sistemasi x − 2y = 2 − m

musbat (x > 0, y > 0) yechimga ega?

A) (0; ∞) B) (1; ∞) C) (-∞; 0) D) (-∞;∞) E) (0; 1)



  1. a ning qanday qiymatlarida 4x2 + (3a - 2)x + 1 = 0 tenglama yagona musbat ildizga ega?

A) (-∞; 2/3) B) 2/3 C) 2; -2/3 D) -2/3 E) 2

  1. Quyidagi tenglamalar sistemasidan x ning qiymatini


x + y

yz



toping.⎨

y + z

xz


=

7

40



=

13

5



  1. 80/79

  2. 5/7

  3. 7/13

  4. 79/80

  5. 7/5
xy 10

⎪ =

x + z 8





  1. Tenglamni yeching: 3 x + 3 x + 3 x +... = 4

A) 56 B) 48 C) 60 D) 54 E) 64

  1. Agar a1, a2, a3, ..., an arifmetik progressiyaning ayirmasi d=1 bo'lsa, (a3 -a1) + (a5 - a3)2 + ... + (a19 - a17)9 yig'indisini toping.

A) 1022 B) 8192 C) 4094 D) 8194 E) 4098

2x +1 1 x



  1. Agar f (x) = bo'lsa, f ( ) + f ( ) ni toping.

3x −1 x 9

A) 1/3 B) x/3 C) - x/3 D) - 1/3 E) 1/(3x - 1)



  1. Hisoblang: cos(2π/7) + cos(4π/7) cos(6π/7)

A) -1/2 B) 1/2 C) 1/4 D) 1/8 E) -1/4

  1. Agar sinα=-0,8 va α∈(π; 3π/2) bo'lsa, tg(α/2) ni hisoblang.

A) 1 B) –1 C) 2 D) –2 E) 1,5

  1. Agar cos15° - sin15° = a/(4cos15°) bo'lsa, a ni toping.

A) 3 B) 3 +1 C) 3 +2 D) 3 +3 E) 3 +4

  1. M nuqta ABC uchburchakning AB tomonini BM:MA = 3:5 nisbatda, N nuqta esa BC tomonini BN:NC = 4:2 nisbatda bo'ladi. ABC uchburchak yuzini MBN uchburchak yuziga nisbatini toping.

A) 4:1 B) 6:1 C) 3:2 D) 10:3 E) 9:4

  1. To'g'ri to'rtburchakning diagonali 18 ga teng. Bu to'g'ri to'rtburchak qanday eng katta yuzaga ega bo'lishi mumkin?

A) aniqlab bo'lmaydi B) 180 C) 162 D) 174 E) 167

  1. Tekislikka unda yotmaydigan nuqtadan uzunliklari 13 va 37 ga teng ikki og'ma o'tkazilgan. Agar og'malarning proyeksiyalari uzunliklari 1:7 kabi nisbatda bo'lsa, nuqtadan tekislikkacha bo'lgan masofani toping.

A) 12 B) 11,5 C) 11 D) 1,5 E) 9 21. |2 - x| - 4 tengsizlik nechta butun yechimga ega?

A) 9 B) 8 C) 6 D) 4 E) 3



  1. Ifodani soddalashtiring:

A) cosα B) sinα C) -sinα D) -cosα E) 3cosα

  1. Arifmetik progressiyada a3 = 5 va a2 + a6 + a7 = 0. a1ni toping. A) 10

B) 15 C) 8 D) -2,5 E) -10

  1. Quyidagi tenglama ildizlari yig'indisini toping:

(x2 + 4x) - x −3 = 0

A) 3 B) –1 C) 4 D) –4 E) 1



  1. Tenglamani yeching: 3x - 6 - 3-x = 1

A) –1 B) 2 C) –2 D) 1/2 E) 1 26. 2a = 5 ma'lum bo'lsa, lg2 ni toping.

A) a B) 1/a C) a/(a+1) D) a + 1 E) a 27.n ning qanday qiymatlarida |x2 - 6x| = n tenglama faqat uchta ildizga ega bo'ladi?

  A) 1 B) 2 C) 6 D) 8 E) 9  

28. a(4;1) va b(−2;2) vektorlar berilgan. Agar a = c + 3b bo'lsa,



c vektorning koordinatasini toping.

A) (10; -5) B) (-10; 4) C) (2; -5) D) (-2; 5) E) (-6; 4)


  1. ABCD parallelogrammning A burchagi bissektrisasi ВС tomonni K nuqtada kesadi. Agar BK=15, KC=9 bo'lsa, parallelogramning perimetrini toping.

    1. 64 B) 66 C) 74 D) 78 E) 86

  2. Trapetsiyaning bir asosi ikkinchisidan 6 smga katta, o'rta chizig'i esa 8 sm. Trapetsiyaning kichik asosini toping.

    1. 6 B) 12 C) 5 D) 8 E) 11

31.O'zidan avvalgi barcha natural sonlar yig'indilarining 1/10 qismiga teng bo'lgan natural sonni toping.

A) 19 B) 20 C) 21 D) 25 E) 30

32.a+b+c=12 va ab+bc+ac=0 bo'lsa, a2+b2+c2 ni toping. A) 134 B) 114 C) 164 D) 100 E) 184


  1. m ning qanday qiymatlarida 3x-4=2(x-m) tenglama musbat yechimga ega bo'ladi?

A) m>-2 B) m<2 C) m=1 D) m = 2 E) 0 < m < 2

  1. Agar lg2=a va lg3=b bo'lsa, ni log56 toping.

    1. (a+b)/2 B) (a+b)/(1-b) C) (a+b)/(1-a) D) (a+b)/(2a) E) 2a+2b

3

  1. Quyidagi funksiyaning eng katta qiymatini toping: y= 2

x + 2x+ 3

A) 1,2 B) 3 C) 2 D) 1,5 E) 1



  1. Quyidagi tenglamaning ildizlari yig'indisi nechaga teng:

(x2 - 9) 2 −x =0

A) –3 B) –1 C) 0 D) 2 E) 5



  1. 1,0(6) sonni oddiy kasr ko'rinishida yozing.

A) 16/15 B) 16/13 C) 17/14 D) 31/30 E) 19/16

2

  1. m ning qanday qiymatlarida a (m +m;1) va b (-1;2) vektorlar perpendikulyar bo'ladi?

A) –2 B) 1 C) -3; 1 D) 2; -1 E) 1; -2

  1. To'g'rito'rtburchakning tomonlari 3 va 4. Uning diagonallari orasidagi burchakni toping.

    1. arcsin0,96 B) arccos0,8 C) arcctg3/4 D)arctg3/4 E) arcsin0,64 40. To'g'ri burchakli uchburchak katetlarining gipotenuzaga proyeksiyalari 2 va 8. Uchburchak yuzini toping.

A) 10 B) 16 C) 20 D) 24 E) 40


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