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:期中考试 难易度:较易

    一条光线从点\(\left(-2,-3\right)\)射出,经\(y\)轴反射后与圆\({{\left(x+3\right)}^{2}}+{{\left(y-2\right)}^{2}}=1\)相切,则反射光线所在直线的斜率为\((\quad)\)

    A. \(-\dfrac{5}{3}\)或\(\dfrac{5}{3}\) B. \(-\dfrac{3}{5}\)或\(-\dfrac{3}{2}\) C. \(-\dfrac{2}{3}\)或\(\dfrac{2}{3}\) D. \(-\dfrac{3}{4}\)或\(-\dfrac{4}{3}\)
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