to'g'ri matematik test savollari

9 – sinf 9 – sinf test 1. amallarni bajaring: 2. proporsiyaning noma’lum hadini toping: 10,4 : 3 =x : 3. ifodaning qiymatini toping: 4. ifodani soddalashtiring: (13x2(8xy(y2 )+( (11x2 (9xy+y2) 5. tenglamani yeching: 6. x= (2 da y=2x2 +5x(3 funksiyaning qiymatini toping: 7. parabolaning koordinata o’qlari bilan kesishish nuqtalarining koordinata-larini toping: y=x2(4x(5 8. parabola uchining koordinatalarini toping: y=x2+6x+5 9. y=x2 (4x+6 parabola qaysi choraklarda joylashgan: 10. ikki musbat sonning yig’indisi a ga teng. agar shu sonlarning kvadratlari yig’indisi eng kichik bo’lsa, shu sonlarni toping: 11. tengsizlikni yeching: 2x2 (8(0. a) 0(x(4; b) -2(x(2; c) x(-2; d) x(-2. 12. tengsizlikni yeching: -x2+3x(0. a) x(0, x(3; b) x>3; c) x(0; d) 0 0 a) x>4; b) x 4. 14. tengsizlikni yeching: …

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