职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:选择题 题类:月考试卷 难易度:中档

    椭圆\(C: \dfrac {x^{2}}{16}+ \dfrac {y^{2}}{9}=1\)上的点\(P\)到直线\(l\):\(3x+4y+18=0\)的距离的最小值为\((\:\:\:\:)\)
    A. \( \dfrac {18+12 \sqrt {2}}{5}\) B. \( \dfrac {16-10 \sqrt {2}}{5}\) C. \( \dfrac {18-12 \sqrt {2}}{5}\) D. \( \dfrac {16+10 \sqrt {2}}{5}\)
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