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Function: require_once

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[문장제 문제&개념응용] 부등식 문제 2
jane 2022.03.02 01:59 조회 236
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

1 - (a+2b)x + a - 4b > 0의 해가 x < 1/2일 때, (2a-b)x + 5a - b < 0의 해는?

2 - (3a+1)x + 2 > 3x + b의 해가 x < 1/3일 때, A = 6(a+b) - 5이다. A의 범위는?

둘 다 맞아야 해결입니다.

이 문제 어떠셨나요?

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  •  
    jane Lv.8 2022.03.02 02:07 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0
  •  
    다시 도전
    RTAI Lv.7 2022.03.03 07:15 비밀댓글
    비밀 댓글이 등록 되었습니다.
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  •  
    Htamction Lv.7 2022.03.12 22:19

    1,2앞에 마이너스가 있는 건가요?

    댓글 작성하기 좋아요0 댓글수3
    •  
      jane Lv.8 2022.03.13 03:46

      네??

      좋아요0
    •  
      Htamction Lv.7 2022.03.13 04:46

      1번이랑 2번 뒤에 -가 있는데 그게 마이너스인가요? 아니면 그냥 1번이라고 표시하는 건가요?

      좋아요0
    •  
      jane Lv.8 2022.03.13 05:57

      마이너스입니다.

      좋아요0
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