Maktab № F. I. Sh.: 2-variant

Maktab № ___ F.I.SH.: __________________________________ 2-variant

1. k ning qanday qiymatlarida (4x-3)/(x+2)=k+1 tenglama manfiy ildizga ega.

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

2. Diagonallari 24 sm va 18 sm bo‘lgan rombning perimetrini toping.

A) 108 B) 120 C) 84 D) 60

3. y=cos4x funksiyaning davrini aniqlang.

A) 900 B) 600 C) 1800 D) 3600

4. lg(2x-3)=lg(x-1) tenglamani yeching.

A) x=4 B) x=1 C) x=2 D) x=10

5. Ayirmani toping: (3+4i)-(4+2i)=?

A) -1+2i B) 1+2i C) 1-2i D) 7-6i

6. y=log₃(2x-5) funksiyaning aniqlanish sohasini toping.

A) (-∞; 2,5) B) (2; 5) C) (2,5; +∞) D) (-∞; +∞)

7. Funksiyaning o‘zgarish tezligi bu – ...

A) boshlang‘ich B) hosila C) o‘zgaruvchi funksiya D) limit

8. ABCD parallelogrammning uchlari: A(-2; -4; 3), B(3; 1; 7), C(4; 2; -5) bo‘lsa, D uchining koordinatalarini toping.

A) D(-1; -3; -9) B) D(1; 3; 9) C) D(-1; -2; -9) D) D(-1; -2; 6)

9. b̄(-4; 8; 2) bo‘lsa, 2b̄ vektorning koordinatalarini toping.

A) (2; -4; -1) B) (-2; 4; 1) C) (8; -16; -4) D) (-8; 16; 4)

10. lnx funksiya hosilasini toping.

A) x B) 2/x C) 1/x D) x/2

Savol	1	2	3	4	5	6	7	8	9	10
Javob	B	D	A	C	A	C	B	A	D	C