1. Barcha uch xonali sonlar ichida 44 ga qoldiqsiz bo`linadiganlari nechta ?

grand test

1. Barcha uch xonali sonlar ichida 44 ga qoldiqsiz bo`linadiganlari nechta ?

A) 20 B) 19 C) 21 D) 22 E) 24

2. Agar parabola absissalar o`qiga nuqtada urinsa, ni toping.

A) 35 B) -25 C) -35 D) 25 E) 20

3. Tenglamani yeching.

A) -2; 1 B) 0.25; 2 C) -2; 2 D) 2; 1 E) 4;16

4. Geometrik progresiya dastlabki 3ta hadining yig`indisi 91 ga teng. Agar shu sonlarga mos ravishta 25, 27, va 1 qo`shilsa, u holda arifmetik progressiya tashkil qiluvchi sonlar hosil bo`ladi. Geometrik progressiyaning 3-hadini toping.

A) 9 B) 29 C) 49 D)47 E) 38

5. Bir ishchi buyurtmani 6 soatda, boshqasi esa 10 soatda bajaradi. Ular birgalikda 3 soat ishlaganlaridan keyin ishning qancha qismi bajarilmay qoladi?

A) B) C) D) E)

6. Tenglamalar sistemasini yeching.

A) (5;4) B) (5;-4) C) (0;-20) D) E) (5;5)

7. Quyidagi tenglamaning ildizlari ko`paytmasini toping.

A) 2 B) -1 C) -4 D) -2 E) 6

8. Hisoblang.



A) B) C) D) E)

9. Agar va ekani ma`lum bo`lsa, arifmetik progressiyaning daslabki 3 ta hadini toping.

A) 6; 10; 14 B) -10; -4; 2 C) -10; -6; 4 D) 6; 4; 2 E) 3; 2; 1

10. Tenglamani yeching.

A) ; ; B) ;

C) D) πn