中学学科网组卷网 教评网 学易书城
e卷通介绍 使用手册 收藏本站 有奖挑错建议
高中语文综合库
在平面直角坐标系eqId2272a344734c4fb088737b84294f7219中,eqIdd7be5abad1e34f6db17a56660de8d54f为双曲线eqId2ddfff48002e4fe4999722cc918c6a08右支上的一个动点,点eqIdd7be5abad1e34f6db17a56660de8d54f到直线eqIdf7d441ad989c404e9340dd2cb9708082的距离大于eqIdad7cefefaba947e1a168bca491c4fca1恒成立,则实数eqIdad7cefefaba947e1a168bca491c4fca1的最大值为__________.
更新:2019/11/20难度系数:0.85题型:填空题组卷:0次
求过点eqId96b1144db03c4a58958ceb3ac0ffb70f与直线eqId7d57c3eaf111444fbba31c6b33a103c0平行的直线方程及两条平行线间的距离
更新:2019/11/15难度系数:0.85题型:解答题组卷:0次
已知矩形的四个项点eqIdf27ca614006443539ecba5423dc760bceqIde7708acd7ef34cf0b1955956a5cd2326eqIdf174b835cd644396b8c3c03d524d4fd1eqIddc864096e09848a78697226ac7cf2237,光线从边eqId99a3187c2b8f4bcc9703c74c3b72f1f3(不含eqId3804465f6d584f2f9bd4e1ad9a3dc087)上一点eqId1242fd686b51449abeeaf0d54459ae18沿与eqId99a3187c2b8f4bcc9703c74c3b72f1f3的夹角eqIdf9db0aee08264a238b9741675591065e的方向射到边eqId0627be51821d4be7b3e024a354815d64上的点eqIdbe31cc43e5e04923995edbf8a46eb55b后,依次反射到eqId34c6b6e427744abfb88dc90b8c7c2111eqId890174c35d994035b942963f9fddd43beqId99a3187c2b8f4bcc9703c74c3b72f1f3上的点eqIdbae5032529224bfbb359d2cb586a66c7eqId88a3529ca9e14a958f44b54ef94dea0deqIdd9b482d9fc4b4d349997c3f85b16327e(入射角等于反射角).
(1)若eqId4e1c5012096b4b4cb9a12c9b0436a49ceqId28459e4c8dc84379b19205bb39d62ec5,求直线eqId9a527241337c4fda8453dda71be50a39eqId78d75d9a77c9408e825518e0db6283b2的距离;
(2)设eqIdd9b482d9fc4b4d349997c3f85b16327e的坐标为eqId7393e50f823c432ba728bf6cef684d1b,若eqId4e1c5012096b4b4cb9a12c9b0436a49c,且eqId1bea4923d64a43648cd50ac18f579050,求eqIdf9db0aee08264a238b9741675591065e的取值范围;
(3)设光线第eqId37c1b046fa6f4e57931f0e0b1ca9b157次反射时的入射点为eqIdb10e0852b5ff41eabe1836f73d97391a.证明:若eqId1535008f2fc44859aecbf0db28d7a815,则eqId4b102699438e4fe3a5738765dbd0b9fe必按eqId6fbf579480ec436881afcddbdfcde20a的顺序循环出现在矩形的边上,并求由直线eqId8ca5f2b072b44ef3bd755c97da04b672eqId8ac01d89b54a49cdbf8ae2fb92f6d842eqId3173df3dc17a4fb7a9c6fab541134bb5eqIdf749c621ebd94188bd7b89b493f022d7eqId1249cc21666742c79d71a9483d1ed2d2围成的四边形面积的取值范围.
更新:2019/11/12难度系数:0.4题型:解答题组卷:11次
直线eqIdd45e98df5c5b46699180fda749f53f78与直线eqIdd7a47880b2374e7ba6f982eb8473373e之间的距离是______.
更新:2019/11/12难度系数:0.94题型:填空题组卷:50次
已知eqIdd8719af213664f78bff917beee08ee5e,当eqId342df0dfc2674dd49ab14fff4513c105取得最小值时,曲线eqId7ff2e7634f314e3ba3e61e216cc0d6fe上的点到直线eqId7e9bfba97be848439cf0ec3750bce511的距离的取值范围是_________.
更新:2019/11/11难度系数:0.4题型:解答题组卷:38次
等比数列eqId93e38ecd74a24cb59da79181b95bfd3aeqIdf458db68122849abb588feb2e682d9ac项和eqId0daafe2988ca48288b8c68e6c5a13194首项为10,公比为2,则方程eqIdf5ba055a5ec6407e9c669e80a02bb69c所表示的图形的面积为________.
更新:2019/11/11难度系数:0.65题型:填空题组卷:13次
已知直线eqIdd1a119a021274acea7c1be293b9f9ad5eqId93e204dd2c2d4bba8c212c45f978ba6d平行,则eqId74c7e0292b094e54ae596d37798a05edeqId439fb93f7745417b8bb1747d963c6e60的距离为(   )
A.eqIde1490df2d2c84688942d45fd01c90a85B.eqId5222c2ea3b544c58bafb590c9238c493C.eqId5bdf412098cc4156b5e8fd514ebc7818D.eqId801221b85ed147bba6ce222ebce7d57e
更新:2019/11/11难度系数:0.85题型:单选题组卷:167次
已知两条平行直线eqIddd98eff19d4f4264ae3788b1e3933290eqId4893943f692a4927b279ecc6652bf25a之间的距离等于eqIdc052ddfbd4524f67a79e0e77c2e5656a,则实数eqId70a27b6ddf6b478285353abb3b1f3741的值为(    )
A.eqIdfca343da1efc413487359c1551da9dbeB.eqIdddd35c5d043e4ebeac32a99367053c68C.eqIdddd35c5d043e4ebeac32a99367053c68eqId2ee5ab958e81425f8b27b641e4da7cbbD.eqId2ee5ab958e81425f8b27b641e4da7cbb
更新:2019/11/7难度系数:0.94题型:单选题组卷:186次
若两直线eqIdfd2db2ba245849b393d8e7545f6bef18eqId9b0b2893a9004a2893a07443b53c19ab平行,则它们之间的距离为(    )
A.eqId67cbac5d90cc4e0b9f185919908346f6B.eqId87e39af3a952474caf394a3e4081fcdbC.eqId1518f1fa3cd94973b3eb1bdc286b86f9D.eqId4454e1dbb4c54bb790cf5840023c9035
2019·青海平安一中高二月考
查看更多[19]
查看更多
更新:2019/11/1难度系数:0.85题型:单选题组卷:141次
m变化时,平行线eqId49db9298e4de4f5188cff828b4f86cf0eqId66f8d5fe5fb34e97a827663ee2cc8988间的距离的最小值等于______.
更新:2019/10/31难度系数:0.65题型:填空题组卷:39次
关注官方微信