X sinf, Matematika ii-tur i-variant

A) [-7;5) B) ( C) (-

D) (-7;5]

8) 24 ning barcha natural bo’luvchilari yig’indisini

toping.

A) 48 B) 60 C) 124 D) 108

9) y= funksiya grafigining Oy o’qi bilan

kesishish nuqtasi ordinatasini toping.

A) -1 B) -2 C) 1 D) 0

10) Ikkita to’g’ri chiziqning kesishishidan hosil bo’lgan qo’shni burchaklarning ayirmasi 50⁰ ga

teng.Shu burchaklardan kichigini toping.

A) 65⁰ B) 60⁰ C) 70⁰ D) 50⁰

11) = tenglamaning barcha natural yechimlari yig’indisini toping.

A) 1 B) 12 C) 10 D) 15

12) Yuzi 156 sm² ,balandliklari 4 sm va 12 sm bo’lgan parallelogrammning perimetrini toping.

A) 73 B) 104 C)96 D) 108

13) ni soddalashtiring.

A) sin4α B) 2tg4α C) cos4α D) tg4α

14) y=funksiyaning aniqlanish sohasini toping.

A) (-4;4) B)