chala kvadrat tenglamalar

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dlina okrujnosti i ploshad kruga matematika 6 klass fan: algebra sinf: 8-sinf mavzu: “chala kvadrat tenglamalar” uy ishini tekshirish: 353-misol 354-misol o’g’zaki yechamiz? 12x² -20xu ifodada 4x ko`paytuvchini qavsdan tashqariga chiqarildi. qaysi javob to`g`ri? 1). 4x(-3x+5u) 2). 4x(3x+5u) 3). 4x(3x-5u) 1. 4a +4b=4(a+b)=4·0,5= agar a+b=0.5 2. 8c -8d =8(c-d)=8·0= agar c-d =0 3. 3x-x² = agar x=1 x(3-x) =1(3-1)= 4.(x-4)(x+4)=x²-16= = 16-16= agar x=4 2 0 2 0 koptok necha sekundda yerga tushadi? bu yerda koptokning balandligi quyidasi formula bilan aniqlanadi: h(t) = -4t²+16t h(t) =0 -4t²+16t=0 : (-4) t²- 4t=0 t(t – 4)=0 t=0 t – 4=0 t = 4 yechim: 4 sekunddan keyin yangi mavzu bayoni: 1) 2x² -8=0 2) 3x² +5x=0 3) -5x² =0 4) x² -7x=0 5) 4x² = -16 chala kvadrat tenglamalar 6) 1,7x² =0 ax² + bx + c =0 ax²=0 ax²+c=0 ax²+bx=0 chala kvadrat tenglamalar -5x² =0 1,7x² =0 x² =0 x² =0 …

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- x 0 16 2 ) 3 2 = - x 15 3 ) 4 2 = x 5 3 1 ) 1 2 = - x 1 5 9 ) 2 2 = - x , 4 5 1 = x , 5 1 = x , 4 5 1 = x /docprops/thumbnail.jpeg

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dlina okrujnosti i ploshad kruga matematika 6 klass fan: algebra sinf: 8-sinf mavzu: “chala kvadrat tenglamalar” uy ishini tekshirish: 353-misol 354-misol o’g’zaki yechamiz? 12x² -20xu ifodada 4x ko`paytuvchini qavsdan tashqariga chiqarildi. qaysi javob to`g`ri? 1). 4x(-3x+5u) 2). 4x(3x+5u) 3). 4x(3x-5u) 1. 4a +4b=4(a+b)=4·0,5= agar a+b=0.5 2. 8c -8d =8(c-d)=8·0= agar c-d =0 3. 3x-x² = agar x=1 x(3-x) =1(3-1)= 4.(x-4)(x+4)=x²-16= = 16-16= agar x=4 2 0 2 0 koptok necha sekundda yerga tushadi? bu yerda koptokning balandligi quyidasi formula bilan aniqlanadi: h(t) = -4t²+16t h(t) =0 -4t²+16t=0 : (-4) t²- 4t=0 t(t – 4)=0 t=0 t – 4=0 t = 4 yechim: 4 sekunddan keyin yangi mavzu bayoni: 1) 2x² -8=0 2) 3x² +5x=0 3) -5x² =0 4) x² -7x=0 …

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