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已知两点eqIdcdbee901ddbf43d09d83656a7bfd94a4,直线eqId30fba61f2bbd4468a7f29ea7b9f6a940与线段eqId99a3187c2b8f4bcc9703c74c3b72f1f3相交,则直线eqId417e80f1349244878d01fe90e0891f5f的斜率取值范围是(  )
A.eqId4e2afc3432fa4a0d828a8d86cf7e295fB.eqIdbfbb8e6c29c64f0a98818c038fccd42cC.eqId7da71bdd13214f4f865eda7e8154fbcfD.eqId8a9d9070a7ca44afb1debe52cc45ed6c
更新:2019/10/18难度系数:0.65题型:单选题组卷:0次
已知点eqId5a320eb9471c4f969eeaa7c8dd26c47deqId7660fd810dd94922a9332008a4566ec9eqIdefc75eddccc6432cb6e7f40bfebdf0da
(1)若ABC三点共线,求实数m的值.
(2)若eqId64b9b599fdb6481e9f8d9a94c102300b为直角三角形,求实数m的值.
更新:2019/10/16难度系数:0.85题型:解答题组卷:19次
已知光线从点eqIdd40cc364364c42d6b2a095cc4ba3d360射到x轴上的点Px轴反射后过点eqId3c59f673e093471289cbfad8fdc70018,求点P的坐标、入射光线的斜率和反射光线的斜率.
更新:2019/10/16难度系数:0.94题型:解答题组卷:13次
已知eqIdbe973624835548d9b3b266400250bebaeqIdafc0464544ad42ff9efcf0463e09cb64eqIdda7dd74a68f7436c9bef731abaf14f6c三点共线,则a的值为(   ).
A.eqId0776143169fe4ff9b4e2ac2a9896b663B.6C.eqIdccb3cb63e81a4d48bfc4944fc0a6b03aD.8
更新:2019/10/16难度系数:0.94题型:单选题组卷:32次
(1)求经过下列两点的直线的斜率,并判断其倾斜角是锐角、直角还是钝角.
eqIde2592045320c4fe3b0adc7bf797e3702eqIdd2d791f456914a80af33c93c5cc6ea11
eqId3a8e445c022d47a38fade2fae0960891eqId8b146f6240f44c7f9a1a95a29cae7784
eqId77e94573612744f5a6ffd7383135fa89eqIdf618c0af78c04f2d99ffa54853c86ec8
(2)已知点eqId9fcd49578ae548f9af6fc930ca01e739eqId49c4dedef4b4432aaee809d821524ce5eqId85ae582d2db543658121995bfcd4c7b0.求证:ABC三点共线.
更新:2019/10/16难度系数:0.85题型:解答题组卷:5次
直线eqIdc5b85a9a69194af89226092624889d92eqId2020e559b28d457a9ddf7f8131d91738eqIdfec6f3e59d3c40cc9c8920561da9e82b为端点的线段有公共点,则k的取值范围是()
A.eqId17f90f6a17f04d9a937a2c9f884aa4b9B.eqIde3c0689f9b9c42828a481d202b644bab
C.eqIdb36260728d15498f8604c44fddc93514D.eqId63cedc98032f4fe7921cdd0ea1a42b3e
更新:2019/10/16难度系数:0.85题型:单选题组卷:50次
在平面直角坐标系中,点eqIdc2c2caa0b49543d9bbc6eff28a0db727,点Px轴上
(1)若eqId3c47aa6ceaa44fa6bd62aeaf0a8587ed,求点P的坐标:
(2)若eqId1d86496a672b433599927de4de68ed90的面积为10,求点P的坐标.
更新:2019/10/8难度系数:0.85题型:解答题组卷:133次
已知eqIdd7be5abad1e34f6db17a56660de8d54f是椭圆eqIdb80f98c1ba86443880460b4a5e1bf446上任意一点,eqId2381423d4cd146cab95f55527681a766eqId517584fed25c413ba8b7bb33ffa2d5c6是椭圆上关于坐标原点对称的两点,且直线eqIddc272480cccc4b2d8c1bc77debf9c0a8eqId0ee1c782cf8f45239afc0b714644b017的斜率分别为eqIdd4bf9298f0db4fb5afb67e0d739f3074eqId357db993ea0448c093bd1ef2195e6c12,若eqId620820c1dc454021b43aa655ad0412ac的最小值为1,则实数eqId3a4208e0040c42ed8b09de2cae9d562e的值为()
A.1B.2C.1或16D.2或8
更新:2019/10/4难度系数:0.65题型:单选题组卷:268次
函数eqId9b37d03e47a347fc8fab9f814ba5fac4的图象如图所示,eqId1bcbf2adc7b949e6bda2361455eed50b是函数eqId4837c94ef0ff4dcf9b1dda4df363275a的导函数,下列数值排序正确的是(  )
figure
A.eqIdd3103feedc9643faa6267d1206a7c070B.eqIded6b632a56a048a0a1f71c429676ff80
C.eqIda65b7fdf26a2460a89894ac53850456eD.eqIdb44a7dcbcc754706b0957291e6c4f4c1
更新:2019/9/28难度系数:0.85题型:单选题组卷:74次
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