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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

1349 Ko'rishlar 3 izohlar

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Tomonidan yaratilgan InfoMaster

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

Ifodaning qiymatini toping:

A) 1/2

B) √3/2

C) √2/2

D) √3/3

2 / 25

Tomoni 7√2 sm va o‘tmas burchagi 135° bo‘lgan romb yuzini toping

A) 50√3 sm²

B) 49√2 sm²

C) 49√3 sm²

D) 64√2 sm²

3 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 150°

B) 135°

C) 140°

D) 35°

4 / 25

Uchburchakning ikki tomoni 2 sm va 4 sm bo’lib, ular orasidagi burchagi 30^°. Uchburchak yuzini toping

A) 2

B) 4

C) 8

D) 3

5 / 25

A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping

A) 147

B) 7

C) 5

D) 35

6 / 25

AB va CD kesmalar O nuqtada kesishadi, AO = 12m, BO = 3 sm, CO = 28 sm, DO = 7 sm bo`lsa, AOC va BOD uchburchaklar yuzlari nisbatini toping

A) 16

B) 4

C) 9

D) 12

7 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (-∞; -1)U(4;∞)

B) (- ∞; ∞)

C) x = - 1/2

D) (-∞; -1/2)

8 / 25

Ikkita o`xshash ABC va DEF uchburchaklar berilgan. Agar S_ABC = 75 m² ,
S_DEF = 675 m² va ABC uchburchakning bir tomoni 5 m bo`lsa, DEF uchburchakning unga mos tomonini toping

A) 45 m

B) 15 m

C) 25 m

D) 10 m

9 / 25

y = x² +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi

A) (2; 3)

B) (-∞;1) U (6; ∞)

C) (-∞;2) U (3; ∞)

D) (-3; 2)

10 / 25

y = 4x² +12x +9 funksiyaning o`sish oralig`ini toping

A) (-∞; 1,5)

B) (-1,5; ∞)

C) (-∞; -1,5)

D) (1,5; ∞)

11 / 25

Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x² – 8x +10

A) (2;0), (-8;0), (0;-6)

B) (1;0), (-5;0), (0;10)

C) (-1;0), (5;0), (0;-10)

D) (-2;0), (8;0), (0;6)

12 / 25

To`rtburchak shaklidagi paxta maydoni xaritada yuzi 12 sm² bo`lgan to`rtburchak bilan tasvirlanadi. Agar xarita masshtabi
1: 5000 bo`lsa, maydonning haqiqiy yuzini toping

A) 0,6 ga

B) 2 ga

C) 3 ga

D) 2,4 ga

13 / 25

p ning nechta butun qiymatida
x² + px +4 = 0 tenglama haqiqiy ildizga ega emas

A) 4

B) 9

C) 7

D) 16

14 / 25

Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping

A) 2x³ + 3x²-4x +7 > 0

B) x⁴-4< 0

C) 4x -5 > 0

D) 41x² – 9x + 1 < 0

15 / 25

sin60^° nimaga teng

A) √2/2

B) 1/2

C) √3/2

D) 1

16 / 25

Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating

A) Ular teng

B) Ular tengdosh

C) To’g’ri javob yo’q

D) Ular o’xshash

17 / 25

Ifodani soddalashtiring:
(13x²-8xy-y² )+( -11x² -9xy+y²)

A) 2x² -17xy

B) 2x²

C) x² -xy

D) 17xy

18 / 25

Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating

A) Bir – biriga teng

B) Kesishish nuqtasida 2:1 nisbatda bo’linadi

C) Har biri uchburchakni ikkita tengdosh qismga ajratadi

D) Bir nuqtada kesishadi

19 / 25

Parabola uchining koordinatalarini toping: y=x²+6x+5

A) (3;-4)

B) (-3;4)

C) (3;4)

D) (-3;-4)

20 / 25

Arifmetik progressiyada $a_{2}+a_{9}$ =20 bo'lsa, $S_{10}$ ni toping?

A) 110

B) 200

C) 100

D) 90

21 / 25

Tomonlari 6 sm va 7 sm bo‘lgan to‘g‘ri to‘rtburchakka tashqi chizilgan doira yuzini toping

A) 1,25π sm²

B) 21,25π sm²

C) 21π sm²

D) 21,2π sm²

22 / 25

Ifodani soddalashtiring:

A) 2

B) 1

C) √3

D) 4√2

23 / 25

Arifmetik progressiyada d=4, $S_{50}$ =5000 bo'lsa, $a_{1}$ ni toping?

A) 100

B) -2

C) 1250

D) 2

24 / 25

Arifmetik progressiyada $a_{1}$ =3, d=-2. S $_{101}$ ni toping?

A) 7979

B) -9798

C) -9797

D) 2009

25 / 25

1002, 999, 996, progressiyaning nechanchi nomerli hadidan boshlab uning hadlari manfiy sonlar bo'ladi?

A) 334

B) 337

C) 336

D) 335

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