(完整word版)北师大版八年级数学上册期末试题及答案.pdf
-
资源ID：55054153
资源大小：182.48KB
全文页数：8页
- 资源格式： PDF
下载积分：4.3金币
快捷下载
会员登录下载
微信登录下载
三方登录下载：
微信扫一扫登录
|
友情提示
2、PDF文件下载后，可能会被浏览器默认打开，此种情况可以点击浏览器菜单，保存网页到桌面，就可以正常下载了。
3、本站不支持迅雷下载，请使用电脑自带的IE浏览器，或者360浏览器、谷歌浏览器下载即可。
4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩，下载后原文更清晰。
5、试题试卷类文档，如果标题没有明确说明有答案则都视为没有答案，请知晓。
|
(完整word版)北师大版八年级数学上册期末试题及答案.pdf
1 北师大版八年级数学上册期末试题及答案卷一、选择题：（请将正确的选项填写在卷的答题卡中）（每小题 3 分，共 30 分）1 要使不等式2413mm的值不小于 1，那么 m的取值范围是【】A m 5 B m 300）（1）请用含 x 的代数式分别表示顾客在两家超市购物所付的费用；（2）顾客到哪家超市购物更优惠？说明你的理由23、（6分）如图所示，已知：点D在ABC 的边AB上，连结 CD，1=B，AD=4,AC=5,求：BD的长.24（7 分）已知：A、B两地相距 80 千米，甲骑车从 A地出发 1 小时后，乙也从A地出发，用相当于甲1.5 倍的速度追赶，当追到B地时，甲比乙先到20分钟，求甲、乙的速度ABCD1文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E106 25（8分）某技校对所属文秘专业的90名学生进行打字速度测试，测试结果见表格与频数分布直方图(1)补全表格与频数分布直方图；(2)若打字速度的测试等级如下表，请画出该校学生测试等级扇形统计图26（8 分）如图，已知点A在直线 l 外，点 B、C在直线 l 上(1)点 P是ABC 内一点，求证：PA;(2)试判断：在 ABC外又和点 A在直线 l 同侧，是否存在一点 Q，使BQC A？试证明你的结论打字速度/（个/分钟）频数频率80100 3 0.033 101120 121140 27 0.3 141160 24 0.267 161180 181200 6 0.067 合计90 1 等级打字速度优秀160 以上良好121160 及格101120 不合格101 以下文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E107 参考答案11、12、13、30；14、x3 且 x0;15、216、x47;17、3418、2 19、73o20、112nnnnn21、1）a(a+1)(a-1);(x-y+1)(x-y-1).2）x-2;-1x0.85x30 时，解得 x300，题号1 2 3 4 5 6 7 8 9 10 选项C B B C C B D C C 文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E108 300 x600，即顾客购物超过 300元且不满 600元时，到乙超市更优惠；当 0.8x 60600，即当顾客购物超过600元时，到甲超市更优惠23、解：1=B.A=A.ACD ABC.AC2=AD AB.AB=6.25.AD=4.BD=2.25.24、25、（1）21，0.233，9，0.1；（2）26、（1）延长 BP交 AC于 D，则 BPC BDC，BDC A故BPC A；(2)在直线 l 同侧，且在 ABC外，存在点 Q，使得 BQC A成立此时，只需在 AB外，靠近 AB中点处取点 Q，则 BQC A（证明略）.优秀16.7%良好56.7%及格23.3%不合格3.3%解：设甲的速度为x 千米/时，乙的速度为1.5 千米/时,根据题意得:。，：xxxx时千米乙的速度为时千米甲的速度为答是原方程的解经检验得解得/60/404040602015.18080文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10文档编码:CW2H10N5L1B5 HO8T4J8C7N3 ZU4J7N9S1E10
