Matematika,9-sinf

7.Ushbu y= funksiyaning aniqlanish sohasini toping.

8.Agar parabolaning (2;13) nuqta orqali o`tishi va uning uchi (-6;-19) nuqta ekani ma’lum bo`lsa ,parabolaning tenglamasini yozing.

9. Teng yonli trapetsiya asoslari 8 sm va 14 sm ga ,o`tmas burchagi 135 ga teng.Shu trapetsiya yuzini toping.

10.Yuzlari 8 dm va 32 dm bo`lgan ikkita o`xshash uchburchak perimetrlari yig`indisi 48 dm ga teng.Uchburchaklar perimetrlarini toping.

Matematika ,9-sinf amaliy topshiriqlarning javoblari.

1-variant.

1. p=3

2. 4≤x<6, 6
3. y=x-2x

4. 221 sm

5. 6m 24m