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test matematika fanida akademik litse
2- variant
1. A={ 3;5;7;9},B={1;3;8;9;10} to’plamlarning kesishmasi bo’lgan C to’plamni toping. A) C= {3;5;7;9} B) C={5;10} C) C={3;9} D) C={1;3;5;7;8;9;10} 2. - belgisi qanday belgi. A) ekvivalensiya B) dizyunksiya C) implikatsiya D) konyunksiya 3. Kasrning qiymati 40 dan qanchaga kam? A) 160 B) 140 C) 180 D) 200 4. Hisoblang. A) 1 B) 1 C) 1 D) 5. A(x)=x3+2x2+x+1 ko’phadni B(x)=x+1 ko’phadga bo’lgandagi qoldiqni toping. A) x B) 1 C) x2 D) x2-1 6. Yig’indini toping: 4+(-3+i) A) 7+i B) -1+i C) 1+i D) i 7. Tenglamani yeching: x4-4x2+4=0 A) ± B) ±2 C) D) - 8. tenglamani yeching . A) x€Z, x≠2 B) x≠2 C) x=2 D) x€R, x≠-2 9. x< tengsizlikni yeching. A) (-∞; 1) B) (-∞;2) C) (-∞;1] (1; ∞ ) D) (2; ∞ ) 10. 5 -8=2 tenglamani yeching. A) 16 B) 5 C) 4 D) -4 11. y=sin(5x-3) funksiyaning davrini toping. A) B) C) D) 12. Hisoblang: A) 1 B) 0 C) -1 D) 0,5 13. Tenglamani yeching. ctg(2x+ )= A) B) C) (-1)k D) 14. Tengsizlikni yeching. A) - B) C) - D) 15. Quyidagilardan qaysilari o’suvchi funksiyalar? 1. y=3x, 2. y=( )x, 3. y=( )x, 4. y= , 5. y=(0,84)x A) 1;2;4 B)1;2;3 C) 3;4;5 D) 2;3;4 16. Tengsizlikni yeching: 52x+1 > 5x +4 A) x>-1 B) x<0 C) x>0 D) x<2 17.Tenglamada x ni qabul qilishi mumkin bo`lgan qiymatlar to`plamini ko`rsating: lg(x-3)-lg(x+9)=lg(x-2) A) (2;3) B) (9;∞) C) (-9; ∞) D) (3;∞) 18. Hisoblang. log864-log88 A) 8 B) 1 C) -8 D) 56 19. Tenglamani yeching. log3(x-1)=2 A) 10 B) 9 C) 2 D) 0 20. Tengsizlikni yeching. log4(x+1)≤log4(5-x) A) (-1;5) B) [2;∞) C) (-1;2) (2;5) D) (-∞;2] 21. Bitta nuqtadan tekislikka og`ma va perpendikulyar o`tkazilgan. Og’maning uzunligi 5, perpendikulyarniki 4 sm.Og’maning tekislikdagi proeksiyalarini toping. A) 4 B) 3 C) 6 D) 9 22. m va n larning qanday qiymatlarida (-1;m;2) va (-2;-4; n) vektorlar kollinear bo`ladi. A) 2;-4 B) -2;-4 C) 2;4 D) -2;4 23. To’g’ri burchakli parallelepipedning uchta o’lchovi a=12, b=21, c=16 berilgan bo’lsa, uning diagonali topilsin. A) 25 B) 27 С) 29 D) 26 24. Piramidaning asosi 6sm, balandligi 9 sm bo’lgan teng yonli uchburchakdan iborat. Piramidaning yon qirralari o’zaro teng va 13 sm bo’lsa, piramidaning balandligi topilsin. A) 16 B) 8 С) 14 D) 12 25. A(x;0;0) nuqta B(1;2;3) va C(-1;3;4) nuqtalardan teng uzoqlikda joylashgan bo`lsa, x ni toping. A) -1 B) -2 С) -3 D) 3 2>0> Download 0.75 Mb. Do'stlaringiz bilan baham: |
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