X sinf, Matematika ii-tur i-variant

A) 2 B) 4 C) 8 D) 6

16) y = 3x² +8x-8 funksiyaning grafigi qaysi choraklarda joylashgan?

A) Barcha choraklarda B) II, III, IV C) I, II, III

D) III, IV

17) tengsizliklar sistemasining

butun yechimlari yig’indisini toping.

A) 5 B) 30 C) 21 D) 20

18) log₂(4-2x)-> tengsizlikni yeching.

A) (-∞;1) B) (- ∞;0,5) C) (0; 1) D) (-4;-1)