Matematika,9-sinf,1-varian

Matematika,9-sinf,1-variant.

1. px-3x+1=0 tenglamaning ildizlarga ega bo`lmaydigan eng kichik butun sonni toping.

2. Ushbu y= funksiyaning aniqlanish sohasini toping.

3. Agar parabolaning (3;3) nuqta orqali o`tishi va uning uchi (1;-1) nuqta ekani ma’lum bo`lsa,parabolaning tenglamasini yozing.

4. Yuzi 255 sm,balandliklari 3 sm va 10 sm bo`lgan parallelogrammning perimetrini toping.

5. Ikkita o`xshash uchburchakning perimetrlari 18 m va 36 m ga ,yuzlarining yig`indisi esa 30 mgat eng.Uchburchakning yuzlarini toping.