9-sinf 1-variant

9-sinf 3-variant

1. Para bola uchining  kordinatalarini  toping y=x²+6x+5

A) (-3-4)   B) (3-4)  C) (-5-1)  D) (-1-5)

2. Ifodani  soddalashtiring  (a²) ^-5/4*(b-^4/3) ^-3/2

A ) a^{- 4} * b ^2/1    B)a^{4 *}   b^-2/1   C) a ⁵*b    D) a-5 * b -2

3.  Hisoblang  cos (-225⁰) +sin 675 ⁰+tg (-1035⁰)

A) 1  B) = - c   C)=V2    D) -2/V2

4. A ning qanday  qiymatida  ax²-8x-2<0 tengsizlik  x ning  barcha  qiymatlarida  o’rinli  bo’ladi.

A) -88     C) a>8  D) a<-8

5. Arifmetik  progressiyada  d=4, S₅₀=5000   bo’lsa  a  ni  toping  

A) -2     B) 2   C) 100   D) 1250

11-sinf 1-variant

1. Arifmetik progressiyaning dastlabki nechta hadini olmaylik ularning yig`indisi hadlar sonining kvadratining uchlanganiga teng. 7-hadi?

A) 25 B) 27 C)31 D)39

2. m ning qanday qiymatlarida (m∙x+9)/x≥-10 tengsizlikda x ning eng katta manfiy qiymati -3 ga teng bo`ladi?

A)-9 B)-8 C) -7 D)-6

3. Shar radiusi 6 ga teng. Radius uchidan u bilan 30º burchak tashkil qiluvchi tekislik o`tkazilgan. Shar bilan tekislik hosil qilgan kesimning yuzini toping?

A) 27π B) 8π C) 64π D) 25π

4. f(x)=1/x funksiya grafigiga x0=1 absissali nuqtada o`tkazilgan urinma bilan Ox o`qi orasidagi burchakni toping ?

A) –π/4 B) π/2 C)π/3 D) –π/6

5.y=x² parabolada A(2;0.5) nuqtaga eng yaqin nuqtani toping.

A) (2;1) B) (1;1) C) (2;3) D) (1;2)