9-sinf_uchun_matematikadan_testlar

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[bookmark: _goback]9-sinf uchun matematikadan testlar variant i 1. funksiyalarning qaysilari kvadrat funksiya? a) x + 2x2 – 3; b) u = x2 – x3; c) u = 5x – 1; d) u = 2. u = -2x2 + 8x – 13 parabola uchining koordinatalarini toping. a) (2;-5); b) (-2;-9); c) (2;-7); d) (2;5). 3. tengsizlikni yeching: a; 4. tengsizlikni yeching: . ; 5. tenglamalar sistemasini yeching: 6. x+u yig’indini toping, agar birjuft son (x; u) tenglamalar sistemasining yechimi bo’lsa. a) ; b) ; c) ; d) . 7. tengsizlikni hadma-had qo’shish: 6 > -1 i 3 > 2 a) 3>1; b) 9 >1; c) 9>3; d) 9>-3 8. tengsizliklarni ko’paytiring: va a) ; b) ; c) ; d) 9. tengsizlikni yeching: 12 + 6x 27 + x. a) b) c) d) 10. tengsizlikni yeching: 12(3x –1) – 18(2x + 2) > 2 a) b) c) d) yechimi yoq. 11. tengsizliklar …

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uchburchakning katetlari 5 sm va 12 sm. uchburchakka ichki chizilgan aylanani radiysini toping. a) 2 sm; b)3sm; c) 1sm; d) 4 sm. 25.abc va a1b1c1uchburchaklar o‘xshash bo‘lib, ab kesma 5 sm, bc kesma 7 sm, a1b1kesma 10 sm bo‘lsa, b1c1 ni toping. a) 12 sm; v) 16 sm; s) 14 sm; d) 10 sm. 9-sinf uchun matematikadan testlar ii variant 1.funksiyalarning qaysi biri kvadrat funksiyaemas? a) x + 2x2 ; b) u = x2 – 1; c) u = x2 + ; d) u = x2 – x – 1. 2. u = 2x2 + 12x + 15 parabola uchiningkoordinatalarini toping. a) (-6;15); b) (-3;-6); c) (3;69); d) (-3;-3). 3. tengsizlikniyeching: . a; 4. tengsizlikniyeching: a; 5. tenglamalarsistemasiniyeching: 6. agar birjuftson (x; u) tenglamalarsistemasiningyechimibo’lsa, yig ‘indini toping : a) 5; b) 1; c) -1; d) 2. 7. tengsizliknihadma-had qo’shing: 0 -1 i 3 > 2 a) 3>1; b) 9 >1; …

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v) 110o; g) 120o. 23. xordi as i vd peresekayutsya. naydite ugol sad, esli ugol avd raven 40o, ugol ads raven 70o. a) 70o; b) 75o; v) 80o; g) 60o. 24. kateti pryamougolnogo treugolnika ravni 5sm i 12 sm. vichislit radius kruga vpisannogo v treugolnik. a) 2 sm; b)3 sm; v) 1sm; g) 4 sm. 25. treugolnik avs podoben treugolniku a1v1s1. otrezok av raven 5sm, otrezok vs raven 7sm., otrezok a1v1 raven 10sm. naydite otrezok v1s1. a) 12s; b) 16sm; v) 14sm; g) 10sm. ii variant 1. kakaya iz funktsiy ne yavlyaetsya kvadratichnoy? a) x + 2x2 ; b) u = x2 – 1; v) u = x2 + ; g) u = x2 – x – 1. 2. naydite koordinati vershini paraboli u = 2x2 + 12x + 15. a) (-6;15); b) (-3;-6); v) (3;69); g) (-3;-3). 3. reshite neravenstvo . ; 4. reshite neravenstvo ; 5. reshite sistemu …

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$90o. a) 150o; b) 140o; v) 130o; g) 160o 23. xordi as i vd peresekayutsya. naydite ugol sad, esli ugol avd raven 100o, ugol ads raven 60o. a) 10o; b) 20o; v) 40o; g) 50o. 24. kateti pryamougolnogo treugolnika ravni 3 sm i 4sm. vichislit radius kruga, vpisannogo v treugolnik. a) 3 sm; b) 2 sm; v) 1sm; g) 4 sm. 25. treugolnik avs podoben treugolniku a1v1s1. otrezok av raven 2sm, otrezok vs raven 3sm., otrezok a1v1 raven 6sm. naydite otrezok v1s1. a) 9 sm; b) 6sm; v) 4sm; g) 3sm. otveti i variant \№ 1 2 3 4 5 6 7 8 9 10 11 12 a a g g v b b v v g v v 13 14 15 16 17 18 19 20 21 22 23 24 25 v v v v b v v b a a a a v ii variant \№ 1 2 …$

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[bookmark: _goback]9-sinf uchun matematikadan testlar variant i 1. funksiyalarning qaysilari kvadrat funksiya? a) x + 2x2 – 3; b) u = x2 – x3; c) u = 5x – 1; d) u = 2. u = -2x2 + 8x – 13 parabola uchining koordinatalarini toping. a) (2;-5); b) (-2;-9); c) (2;-7); d) (2;5). 3. tengsizlikni yeching: a; 4. tengsizlikni yeching: . ; 5. tenglamalar sistemasini yeching: 6. x+u yig’indini toping, agar birjuft son (x; u) tenglamalar sistemasining yechimi bo’lsa. a) ; b) ; c) ; d) . 7. tengsizlikni hadma-had qo’shish: 6 > -1 i 3 > 2 a) 3>1; b) 9 >1; c) 9>3; d) 9>-3 8. tengsizliklarni ko’paytiring: va a) ; b) ; c) ; d) 9. tengsizlikni …

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