Как определить вид кривой второго порядка и построить её? Например дано такое ур...

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Как определить вид кривой второго порядка и построить её?
Например дано такое уравнение: x2 +y2 + 6x +8y +1= 0.

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dnepr1

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Дано уравнение: x² +y² + 6x +8y +1 = 0.

Выделяем полные квадраты.

(x² + (2*3)x +9) - 9 + (y² +(2*4)y + 16) - 16 +1 = 0.

(х + 3)² + (у + 4)² = 24.

Это уравнение окружности с центром в точке (-3; -4) и радиусом √24 = 2√6.

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be in bed for about two hours

appointments 1 the goods of this foreign company are of high 2 we would like to get a 3 off this price3 we dont

wish) that he 31 (go) home after all. He 32(get up), legs shaking and forehead sweating and 33(wonder) whether he 34__(look) as terrified as

bankrupt 1 we have purchased some office 2 the company has done research 3 i dont want to with him any longer

eg he will have done

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vneshnie ustrojstva evm posledovatelnogo i parallelnogo dejstviya chto eto chto

trebuetsya napisat programmu kotoraya budet vypolnyat dejstviya opisannye nizhe zh6497650d896015b3a5c5cff77fc6dcab 18434

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be in bed for about two hours

appointments 1 the goods of this foreign company are of high 2 we would like to get a 3 off this price3 we dont

wish) that he 31__________________ (go) home after all. He 32________________(get up), legs shaking and forehead sweating and 33____________________(wonder) whether he 34____________________(look) as terrified as

bankrupt 1 we have purchased some office 2 the company has done research 3 i dont want to with him any longer

eg he will have done

Grammar review. Open the brackets using the verbs in present perfect and past simple. 1. Our company _____________________________ (reach) good results this year. 2. Our

ill be there i hope to see lots of old friends

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vneshnie ustrojstva evm posledovatelnogo i parallelnogo dejstviya chto eto chto

trebuetsya napisat programmu kotoraya budet vypolnyat dejstviya opisannye nizhe zh6497650d896015b3a5c5cff77fc6dcab 18434

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wish) that he 31 (go) home after all. He 32(get up), legs shaking and forehead sweating and 33(wonder) whether he 34__(look) as terrified as