过原点的直线与圆x^2+y^2+4x+3=0相切,若切点在第二象限,则该直线的方程为( )A y=根号3xB y=-根号3xC y=根号3/3xD y=-根号3/3x
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![过原点的直线与圆x^2+y^2+4x+3=0相切,若切点在第二象限,则该直线的方程为( )A y=根号3xB y=-根号3xC y=根号3/3xD y=-根号3/3x](/uploads/image/z/5061968-8-8.jpg?t=%E8%BF%87%E5%8E%9F%E7%82%B9%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%8E%E5%9C%86x%5E2%2By%5E2%2B4x%2B3%3D0%E7%9B%B8%E5%88%87%2C%E8%8B%A5%E5%88%87%E7%82%B9%E5%9C%A8%E7%AC%AC%E4%BA%8C%E8%B1%A1%E9%99%90%2C%E5%88%99%E8%AF%A5%E7%9B%B4%E7%BA%BF%E7%9A%84%E6%96%B9%E7%A8%8B%E4%B8%BA%28+%29A+y%3D%E6%A0%B9%E5%8F%B73xB+y%3D-%E6%A0%B9%E5%8F%B73xC+y%3D%E6%A0%B9%E5%8F%B73%2F3xD+y%3D-%E6%A0%B9%E5%8F%B73%2F3x)
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