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


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B) (1-√3,3-√3)

C) (-1;∞)

D) (-1-√3;∞)

64. a ning qanday qiymatlari x-2a+1/x-a<0 tengsizlik 3≤x≤4 oraliqdagi barcha x lar uchun o`rinli bo`ladi?

A) (2,5;3)

B) (2;3)

C) (1,5;2,5)

D) (1;2)


65. Rasmda AE=3∙EB, AF=FC, S=120 BEFC To`rtburchakning yuzini toping.

A) 40


B) 60

C) 75


D) 80
66. Agar parallelogram yuzi 144 ga, balandliklari 8 va 12 ga teng bo`lsa, parallelogramning perimetrini toping?

А) 64


B) 80

C) 60


D) 64,5
67. ko`pxadni ko`paytuvchilarga ajrating.

А) (x2-3)(x2-1)

B) (x-3)(x+1)

C) (x2-3)(x+1)



D)
68. sistemani yeching.

А) (5;3)


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