组卷网>高中数学综合库>平面解析几何>圆与方程>圆与圆的位置关系>圆与圆的位置关系>由圆的位置关系确定参数或范围
题型:单选题 难度:0.94 引用次数:147 更新时间:2020/3/12 18:11:03 题号:9772850
已知eqId8e1faf0075574a769df38c2df8a0e241,若圆eqIdd50cb90343894f8fae640dcadf643885eqIdbbf54588484643ebaaf33e7ae359fe04,圆eqIdb12a09e77857490c848c79bcf0414e8feqId9bf5679e8b3c4902979e61046a486954恒有公共点,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为(   ).
A.eqId016f000e1a9f4fa9a551a871fe2435f7B.eqId8bc52c5b3f4445f8a35c443a49e6148e
C.eqIda8ecc907186e42eba6f1e1cffb9f8754D.eqId8603c3a23e644ab69feba9d293d354bb

类题推荐

单选题 | 容易(0.94) |
【推荐1】已知圆eqId284e2555d64d4ab59497a3b60175450e与圆eqId6ac59718008b48a1b47c1e0138bae67b相交,则实数a的取值范围是(   )
A.eqIdf563e105e32f466b96a01efe71593afcB.eqIda350f2384732410ab94692f5a19907c9
C.eqIdc9c2b2ede5284c8fade61d1b5e514159eqIda350f2384732410ab94692f5a19907c9D.eqIdc9c2b2ede5284c8fade61d1b5e514159eqIdf563e105e32f466b96a01efe71593afc
更新:2020/02/01组卷:242
单选题 | 容易(0.94) |
【推荐2】若圆eqId0a7f3e51318f4684a8ab2458a491aff9上有且仅有两个点到原点的距离为eqIdc052ddfbd4524f67a79e0e77c2e5656a,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为(   )
A.eqId9448168b52e54f55aae89b9996270539B.eqIdf73e7ad8d281411f9710812cd6c82c59
C.eqId223af8486ea64b569c165e43479cf7f1D.eqIdf6dd6d89c78d4a3ab2fd8e9619d95c51
更新:2020/11/27组卷:723
单选题 | 容易(0.94) |
解题方法
【推荐3】已知圆O1 x2y2=1,圆O2: (x+4)2+(ya)2=25,如果这两个圆有且只有一个公共点,则常数a
A.0B.eqIde8403886f71042d6a73c461296f83b8aC.0或eqIde8403886f71042d6a73c461296f83b8aD.eqIda86879ae304449a4a6e6461c485a1f13eqId6b5e344a61e94627bb6671c7d7bbe7d3
更新:2020/02/29组卷:178
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