Matematikadan test savollari Agar x = -2 bo’lsa, y = 3x funksiyaning qiymatini toping


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Matematikadan test savollari

1. Agar x = -2 bo’lsa, y = 3x funksiyaning qiymatini toping.

A) y = -6

B) y = 3

C) y = -5

D) y = -3


2. P(x) = (2x + 1) funksiya berilgan. Agar P(x) = 15 bo’lsa, x ning qiymatini toping.

A) x = 15

B) x = 25

C) x = 22



D) x = 45
3. f(x) = 2 – 5x formula berilgan bo’lsa, quyidagi tengliklarning qaysi biri to’g’ri.

A) f() = 3

B) f(4) = 20



C) f() = 0,5

D) f(10) = 52


4. Koordinata tekisligida ABCD kvadrat tasvirlangan. Agar A(-2;-2) , B(-2;2) , C(2;-2) bo’lsa, D nuqtaning koordinatalarini toping.

A) D(2;-2)

B) .D(2;2)

C) D(-2;-2)

D) D(-2;2)
5. y = x²-5x+6 funksiya berilgan. Berilgan nuqtalardan qaysi biri shu funksiya grafigiga tegishli:

1. (-1;1) 2. (1;0) 3. (3;0) 4. (-2;7) 5. (-1;12)

A) 1;2

B) 3;4


C) 1;2

D) 3;5
6. y(3) = 5x-2x+3 funksiya berilgan bo’lsa, x ning qiymatini toping.

A) x = 1

B) x = 5

C) x = 0

D) x = -1



7. x ning qanday qiymatida y = x-2+8 funksiyaning qiymati 7 ga teng bo’ladi?

A) x = 3


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