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1、精编学习资料欢迎下载一、选择题1.下列各式一定是二次根式的是（）A.7B.32mC.21aD.ab2.对右图的对称性表述，正确的是（）A、轴对称图形B、中心对称图形C、既是轴对称图形又是中心对称图形D、既不是轴对称图形又不是中心对称图形3.下列根式中，与3是同类二次根式的是（）A.24B.12C.32D.184.为了改善居民住房条件，我市计划用未来两年的时间，将城镇居民的住房面积由现在的人均约为10m2提高到 12.1m2若每年的年增长率相同，则年增长率为（）A、9%B、10%C、11%D、12%5.现有如图所示的四张牌，若只将其中一张牌旋转180 后仍是本身，则旋转的牌是（）A、B、C、D、
2、6.如图，A、B、C是 O上的三点，已知O=60，则 C=（）A、20B、25C、30D、457.已知两圆半径分别为2和3，圆心距为 d，若两圆没有公共点，则下列结论正确的是（）A、0d1 B、d5 C、0 d1或d5 D、0d 1或d5 8.O 的半径为5cm，弦 AB/CD，且 AB=8cm,CD=6cm,则 AB 与 CD 之间的距离为()A 1 cm B 7cm C 3 cm 或4 cm D 1cm 或7cm 9.下列命题中的假命题是()A 三角形的外心到三角形各顶点的距离相等B 三角形的外心到三角形三边的距离相等C 三角形外心一定在三角形一边的中垂线上D 三角形任意两边的中垂线的交点
3、是三角形的外心二、填空题10.正比例函数y=(a+1)x 的图像经过第二四象限,若 a 同时满足方程x2+(1-2a)x+a2，判断此方程根的情况精编学习资料欢迎下载11.方程（x+2）（x-3）=0的根是12.从正方形的铁皮上截去2cm 宽的一条长方形,余下的面积为 48cm2,则原来正方形铁皮的面积为13.若11mm有意义，则m的取值范围是14.若1ab与24ab互为相反数，则2005_ab。15.若x，y为实数，且 yx4114x21则 x+y=16.已知 O的半径5r,O到直线l的距离 OA=3,点B,C,D 在直线l上,且AB=2,AC=4,AD=5,则点 B在 O点C在 O点D在
4、O.17.如图,A,B,C 三点在 O上,且AB是 O的直径,半径 OD AC,垂足为 F,若 A=30 o,OF=3,则OA=,AC=,BC=.18.如图为直径是10cm 圆柱形油槽,装入油后,油深 CD 为2cm,那么油面宽度AB=cm.19.半径为 1，圆心角是300o的弧长为20.在 RtABC 中,直角边AC=5cm,BC=12cm,以 BC 为轴旋转一周所得圆锥的侧面积为2cm_,以 AC 为轴旋转一周所得圆锥的侧面积为2cm_.21.已知一元二次方程x2-(3+1)x+3-1=0 的两根为x1、x2,则 x12+x22=22.如图，ABC 内接于 O，BAC=120 ，AB=AC
5、，BD 为 O 的直径，AD=6，则 BC=三、解答题23.计算与解方程FADCBODOBCA文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS
6、3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5
7、G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S
8、10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:
9、CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 H
10、Q5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT
11、2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4精编学习资料欢迎下载（1）222425（2）（3）解方程)4(5)4(2xx（4）解方程2x2+3=7x 24.已知：如图，AB 是 O 的直径，直线l与 O 相切于点
12、C，ADl，垂足是D。求证：AC 平分 DAB.（8 分）25.已知关于x 的一元二次方程x2+（2m-1）x+m2=0 有两个实数根x1和 x2（1）求实数m 的取值范围；（2）当 x12-x22=0 时，求 m 的值文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2
13、T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2
14、M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V
15、4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2
16、N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1
17、G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L
18、3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4精编学习资料欢迎下载26.如图，在平面直角坐
19、标系中，已知点 B（4，2），BAx 轴于 A（1）画出将 OAB 绕原点逆时针旋转90 后所得的 OA1B1，并写出点 A1、B1的坐标；（2）OAB 关于原点O 的中心对称图形，并写出点A、B 对称点的坐标.文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 Z
20、T2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档
21、编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G
22、1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4
23、 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4
24、文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4文档编码:CS3L3V4T9G1 HQ5G4O2N2T4 ZT2S10S1G2M4