89. u=x2, u=2x-x2 parabolalar va Ox o’qi chegaralangan shaklning yuzini toping.
*a) 1 b) 2 c) 3 d) 1,5
90. Tenglamalari y=2x, y=0 va x=3 bo’lgan to’g’ri chiziqlar bilan chegaralangan figuraning yuzi hisoblansin.
*a) 9 b) 8 c) 7 d) 6
91. funktsiyaning minimum nuqtasini toping.
*a) 1 b) 2 c) 1,4 d) 1,5
92. Soatning minut mili 6 minutda necha gradusga buriladi?
*a) 36 b) 60 c) 6 d) 30
93. Uchburchak burchaklarining kattaliklari nisbati 1:1:2 kabi, katta tomonining uzunligi esa 13 ga teng.Uchburchakning katta tomoniga tushurilgan balandligini toping.
*a) 6,5 b) 5,5 c) 6 d) 5
94. Teng yonli uchburchakning yon tomoni 25 ga teng. Asosiga tushirilgan balandligi asosidan 25 ga kam.Shu uchburchakning asosini toping.
*a) 40 b) 50 c) 25 d) 30
95. 1 dan 100 gacha bulgan sonlar orasida 2 ga ham, 3 ga ham bulinmaydiganlari nechta?
*a) 33 b) 20 c) 70 d) 30
96. Muntazam turtburchakli kesik piramida asoslarining tomonlari 14 va 10 sm, diagonali 18 sm. kesik piramidaning balandligi necha sm?
*a) 6 b) 10 c) 8 d) 7
97. To’la sirtining yuzi 72 ga teng bulgan kubga tashqi chizilgan sharning radiusini toping.
*a) 3 b) 2 c) 4 d) 5
98. 10 m/s tezlik bilan tekis harakatlanayotgan jism 6 km masofani necha minutda bosib o’tadi?
*a) 10 min b) 6 min c) 8 min d) 9 min
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