Matematika fanidan test2

Tenglamani yeching.     $\frac{x-1}{x+1}=\frac{9}{10}$  

• -19

• 19

• 8

• -8

30 soni nechta bo`luvchiga ega ?

• 8 ta

• 12 ta

• 10 ta

• 16 ta

a ning qanday qiymatlarida 41 ∙ a ko`paytma tub son bo`ladi ?

• -1

• 39

• 0

• 1

Toping: EKUB (54, 36).

• 9

• 18

• 24

• 108

Otasi 38 yoshda, o`g`li esa 12 yoshda. Necha yildan keyin otasi o`g`lidan ikki marta katta bo`ladi ?

• 6

• 9

• 11

• 14

Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 250⁰ ga teng. Burchaklardan kichigini toping.

• 40⁰

• 110⁰

• 70⁰

• 50⁰

Toping: EKUK (27,36).

• 54

• 108

• 72

• 360

y = - 4x +b funksiyaning grafigi A(1; -3) nuqtadan o`tishi ma’lum bo`lsa, b ning qiymatini toping.

• 1

• 2

• -1

• 4

Trapetsiyaning o`rta chizig`i 14 sm ga, asoslaridan biri esa 9 sm ga teng. Trapetsiyaning ikkinchi asosi nimaga teng ?

• 23

• 19

• 5

• 28

 $y=\left(x-3\right)^2+2$  Parabola uchining koordinatalarini toping:

• (-3:2)

• (3:2)

• (2:3)

• (-3:-2