1. x ning qanday qiymatlarida y = 2x2 funksiyaning qiymati 8 ga teng bo'ladi:
A) x=2,x=-2
B) x=0
C) x=-3, x=3
D) x=1, x=-1
E) x=-5, x=5
2. y = 3x2 funksiya grafiga tegishli bo`lgan nuqtani aniqlang:
A) (12,1)
B) (2,12)
C) (4,12)
D) (-4,12)
E) (-12,2)
3. y = 4x2 funksiyaning nollarini toping:
A) x=1
B) x=-1
C) x=0
D) x=2
E) x=-2
4. y = 8x2 funksiyaning x=4 bo'lgandagi qiymatini toping:
A) 8
B) 16
C) 64
D) 128
E) 256
5. y = 5x2 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