1. x ning qanday qiymatlarida y = x2 funksiyaning qiymati 9 ga teng bo'ladi:
A) x=3,x=-3
B) x=0
C) x=0, x=3
D) x=1, x=-1
E) x=-5, x=5
2. y = x2 funksiya grafiga tegishli bo`lgan nuqtani aniqlang:
A) (2,1)
B) (2,4)
C) (4,2)
D) (-4,2)
E) (-1,2)
3. y = x2 funksiyaning nollarini toping:
A) x=1
B) x=-1
C) x=0
D) x=2
E) x=-2
4. y = x2 funksiyaning x=4 bo'lgandagi qiymatini toping:
A) 8
B) 24
C) 64
D) 16
E) 32
5. y = x2 funksiyaning aniqlanish sohasini toping :
A) 0
B) natural sonlar
C) butun sonlar
D) to'g'ri javob yo'q
E) barcha haqiqiy sonlar to'plami