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9-sinf Matematika 2-chorak

InfoMaster

Aprel 15, 2021

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9-sinf Matematika 2-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

Hisoblang

A) 2

B) 3

C) -2

D) 9

2 / 25

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

A) 2x²

B) 17xy

C) 2x² -17xy

D) x² -xy

3 / 25

tg60^° ni toping

A) √3

B) 1

C) √2/2

D) √2

4 / 25

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

A) sina

B) ctga

C) tga

D) cosa

5 / 25

sin60^° nimaga teng

A) √3/2

B) 1/2

C) 1

D) √2/2

6 / 25

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

A) To’g’ri javob yo’q

B) Ular teng

C) Ular tengdosh

D) Ular o’xshash

7 / 25

Hisoblang

A) √7

B) √2

C) √589

D) √23

8 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (0;5/4)

B) (5/4;+∞)

C) (1;2)

D) (-∞,+∞)

9 / 25

Sonlarni o’sish tartibida joylashtiring

A) c<a<b

B) c>a>b

C) a<b<c

D) b<a<c

10 / 25

Hisoblang

A) 45

B) 2

C) 8

D) 53

11 / 25

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

A) -4

B) 5

C) -5

D) 0,5

12 / 25

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

A) 4/5

B) -3/4

C) 3/4

D) -4/5

13 / 25

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

A) (-∞; -1,5)

B) (-1,5; ∞)

C) (-∞; 1,5)

D) (1,5; ∞)

14 / 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) 25 m

B) 45 m

C) 15 m

D) 10 m

15 / 25

Berilgan uchburchak tomonlari 21 sm, 27 sm va 32 sm. Agar perimetri 120 sm bo`lgan uchburchak berilgan uchburchakka o`xshash bo`lsa, uning eng katta tomonini toping

A) 48 sm

B) 42 sm

C) 40,5 sm

D) 31,5 sm

16 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

A) (x-30)(x-34) < 0

B) (x +1)(x + 42) < 0

C) (x - 29)(x - 31) > 0

D) (x-7)(x-2010) > 0

17 / 25

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

A) x₁=1, x₂=6

B) x₁= -2, x₂= -3

C) x₁=2, x₂ =3

D) x₁= -1, x₂= - 6

18 / 25

Parabola uchining koordinatalarini toping:
y =(x-3)²+2

A) (3; 2)

B) (-3; - 2)

C) (-3; 2)

D) (3; -2)

19 / 25

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

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

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

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

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

20 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) x = - 1/2

B) (- ∞; ∞)

C) (-∞; -1)U(4;∞)

D) (-∞; -1/2)

21 / 25

y = -2x² +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ?

A) I, III, IV

B) III, IV

C) I, II

D) I, II, III, IV

22 / 25

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

A) (-3; 2)

B) (-∞;2) U (3; ∞)

C) (2; 3)

D) (-∞;1) U (6; ∞)

23 / 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) 2,4 ga

B) 3 ga

C) 2 ga

D) 0,6 ga

24 / 25

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

A) (4; 9)

B) (-∞; -9) U (-4; ∞)

C) (-∞;4) U (9; ∞)

D) (-9; -4)

25 / 25

Bo`yi 160 sm bo`lgan o`quvchi soyasining uzunligi 128 sm bo`lsa, bo`yi 210 sm bo`lgan basketbolchining soyasining uzunligini toping