11-sinf Matematika fanidan i-chorak uchun test savollari. №1

11-sinf Matematika fanidan I-chorak uchun test savollari.
№1. Karim uyida 14 bet matn terib, 8ta imloviy xatoga yo’l qo’ydi. Agar 1 betda o’rtacha 380 ta so’z bo’lsa,

Karim 100ta so’z terganda o’rtacha qancha xato qiladi?

A.0,15 B. 1,5 C. 0,5 D. 0,25

№2. Limitni hisoblang: . A.3 B. -4 C. -3 D. 4

№3. Hosilani hisoblang:

A.f(x)=12x²-10x B. f(x)=-12x²+10x C. f(x)=21x²-10x D. f(x)=-21x²+10x

№4. funksiya hosilasining x₀=-2 nuqtadagi qiymatini hisoblang.

A.38/961 B. 38/31 C. -38/31 D. -38/961

№5. funksiyaning [-4;1] kesmadagi eng kata qiymatini toping.

A.131 B. -13 C. -4 D. 13

№6. funksiyasining kamayish oralig’ini toping.

A.(-1;1/3) B. [-1;-1/3] C. (-∞;-1) D. (-1/3;+∞)

№7. Moddiy nuqta S(t)=5t³+3t²+2t+4 qonuniyat bilan harakatlanayotgan jismning t=2 sekunddagi tezligini

toping. A. 70 B. 60 C. 74 D. 84

№8. Murakkab funksiyaning hosilasini toping. y=x²sinx

A.y’=2xsinx-x² B. y’=-2xsinx+x² C. y’=x²cosx-2xsinx D. y’=2xsinx+x²cosx

№9. y=-3x³+2x²-4x+5 funksiyaga x₀=-1 nuqtada o’tkazilgan urinma tenglamasining burchak koeffitsiyentini

toping. A. -17 B. 17 C. -13 D. 15

№10. f(x)=3x²-5x+4 va g(x)=4x-5 funksiyalarining urinmalari parallel bo’ladigan nuqtalarini toping.

1. 
   2 B. 1,5 C. 0,5 D. 0
   

№11. Uchlari A(2;-3;4) va B(-2;4;5) nuqtalarda bo’lgan AB kesmasining uzunligini toping.

Javob:____________________

№12. Uchlari A(2;3;4) va B(-4;-5;-6) nuqtalarda bo’lgan AB kesmasining o’rtasining koordinatalarini toping.

Javob: ___________________

№13. A(-4;3;6) nuqtaning Oxz tekisligiga nisbatan simmrtrik nuqtasini toping.

Javob: ___________________

№14. A(1;-2;2), B(1;4;0), C(-4;1;1) va D(-5;-5;3) nuqtalar berilgan. AC va BD vektorlar orasidagi burchakni

toping. Javob:___________________

№15. vetorining uzunligini toping.

Javob: __________________