与圆x²+y²-2x+8y-8=0同心,且半径为3的圆的标准方程为( )与圆x²+y²-2x+8y-8=0同心,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 23:29:36
![与圆x²+y²-2x+8y-8=0同心,且半径为3的圆的标准方程为( )与圆x²+y²-2x+8y-8=0同心,](/uploads/image/z/14954713-25-3.jpg?t=%E4%B8%8E%E5%9C%86x%26%23178%3B%2By%26%23178%3B-2x%2B8y-8%3D0%E5%90%8C%E5%BF%83%2C%E4%B8%94%E5%8D%8A%E5%BE%84%E4%B8%BA3%E7%9A%84%E5%9C%86%E7%9A%84%E6%A0%87%E5%87%86%E6%96%B9%E7%A8%8B%E4%B8%BA%EF%BC%88+%EF%BC%89%E4%B8%8E%E5%9C%86x%26%23178%3B%2By%26%23178%3B-2x%2B8y-8%3D0%E5%90%8C%E5%BF%83%2C)
与圆x²+y²-2x+8y-8=0同心,且半径为3的圆的标准方程为( )与圆x²+y²-2x+8y-8=0同心,
与圆x²+y²-2x+8y-8=0同心,且半径为3的圆的标准方程为( )
与圆x²+y²-2x+8y-8=0同心,
与圆x²+y²-2x+8y-8=0同心,且半径为3的圆的标准方程为( )与圆x²+y²-2x+8y-8=0同心,
就是圆心是同一个点
(x-1)²+(y+4)²=25
同心,r=3
所以(x-1)²+(y+4)²=9