Решите пожалуйста y=2|x-5|-x^2+11x-30 - №11238870

Решите пожалуйста y=2|x-5|-x^2+11x-30
- Предмет:
  Математика
- Автор:
  timothy38
- 6 лет назад

Ответы 1

y=2x+10-x^2+11x-30y=-x^2+13x-20D(дискриминант)=169-120=7^2X1=-13+7/-2=4X2=-13-7/-2=10Ответ:y=0 X1=4 X2=10
- Автор:
  braveheart37
- 6 лет назад
- 0
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