9-sinf Matematika 2-chorak

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9-sinf Matematika 2-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

x= -2 da y=2x² +5x-3 funksiyaning qiymatini toping

A) -4

B) 5

C) 0,5

D) -5

2 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (1;2)

B) (0;5/4)

C) (-∞,+∞)

D) (5/4;+∞)

3 / 25

Hisoblang

A) 7

B) 6

C) -2

D) 2

4 / 25

Agar sina=3/5 va 90^°° bo’lsa, сosa ni toping

A) 4/5

B) 3/4

C) -4/5

D) -3/4

5 / 25

Hisoblang

A) 55/88

B) -1

C) 2/1

D) 1

6 / 25

Sonlarni taqqoslang

A) b=a

B) b=a+0,8

C) b<a

D) a = b + 0,5

7 / 25

Amallarni bajaring:

A) 69

B) 213

C) 61

D) 60

8 / 25

Agar 90^°° bo’lsa, quyidagilardan qaysi biri musbat

A) ctga

B) sina

C) tga

D) cosa

9 / 25

sin60^° nimaga teng

A) √2/2

B) √3/2

C) 1/2

D) 1

10 / 25

Hisoblang

A) 9

B) -2

C) 2

D) 3

11 / 25

Funksiyaning aniqlanish sohasini toping

A) x≠1

B) (-∞;+∞ )

C) x≥ 1

D) x≤1

12 / 25

Sonlarni o’sish tartibida joylashtiring

A) c<a<b

B) c>a>b

C) b<a<c

D) a<b<c

13 / 25

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

A) Har biri uchburchakni ikkita tengdosh qismga ajratadi

B) Bir – biriga teng

C) Kesishish nuqtasida 2:1 nisbatda bo’linadi

D) Bir nuqtada kesishadi

14 / 25

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

A) 17xy

B) x² -xy

C) 2x²

D) 2x² -17xy

15 / 25

Tengsizlikni yeching: (x – 6)(x – 13) <0

A) (6;13)

B) (-∞;-13) U (6; ∞)

C) (-∞;6) U (13; ∞)

D) (-13; -6)

16 / 25

Tengsizlikni yeching: (x + 4)(x + 9) >0

A) (-∞; -9) U (-4; ∞)

B) (4; 9)

C) (-∞;4) U (9; ∞)

D) (-9; -4)

17 / 25

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

A) 147

B) 35

C) 7

D) 5

18 / 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) 15 m

B) 45 m

C) 25 m

D) 10 m

19 / 25

Kvadrat funksiyaning nollarini toping:
y = x² - 5x + 6

A) x₁= -2, x₂= -3

B) x₁=1, x₂=6

C) x₁=2, x₂ =3

D) x₁= -1, x₂= - 6

20 / 25

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

A) (-∞;2) U (3; ∞)

B) (-∞;1) U (6; ∞)

C) (-3; 2)

D) (2; 3)

21 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) x = - 1/2

B) (-∞; -1)U(4;∞)

C) (- ∞; ∞)

D) (-∞; -1/2)

22 / 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) 4

B) 9

C) 12

D) 16

23 / 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)

24 / 25

Teng yonli trapetsiyaning ikkita burchagi ayirmasi 40⁰ ga teng. uning burchaklarini toping

A) 115° ; 75° ; 115° ; 75°

B) 110°; 70°; 110°; 70°

C) 135°; 45°; 135°; 45°

D) 140°; 40°; 140°; 40°

25 / 25

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

A) (-1,5; ∞)

B) (1,5; ∞)

C) (-∞; -1,5)

D) (-∞; 1,5)

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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