上海市虹口区2020-2021学年九年级上学期一模数学试题
上海
九年级
一模
2021-01-16
716次
整体难度:
容易
考查范围:
图形的变化、向量的运算、函数、图形的性质
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 求角的正切值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1852175af2bff405159bc6b574dcb9f.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193124864/STEM/c38f1172-8a19-4027-9c54-d8a010298d8a.png?resizew=319)
A.10米 | B.24米 | C.25米 | D.26米 |
【知识点】 坡度坡比问题(解直角三角形的应用)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://img.xkw.com/dksih/QBM/2021/5/13/2720025444982784/2720118999056384/STEM/ade124880a9f4ba5b141ede950df5933.png?resizew=174)
A.3 | B.6 | C.9 | D.12 |
【知识点】 相似三角形的判定与性质综合 已知正切值求边长解读
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f80a4df0781e94d5c36043bb2b4639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 y=ax²+bx+c的图象与性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a268609cc3e39ec116beafbce22f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
【知识点】 y=ax²的图象和性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fe2c124d5bbbbe666ee145cd454b6b.png)
【知识点】 已知抛物线上对称的两点求对称轴解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5894f0258b4b0acb81412de25a8478de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
【知识点】 y=ax²+k的图象和性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e49b2e0225a40d1b0c75d724c2b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284750727aa2c32b2477d126daefb329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e737bc35da650eda3825d29799b5f86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0579d2207ac356245c55da0809536489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a3ea810b5bc59148de8f21a09ab105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284750727aa2c32b2477d126daefb329.png)
【知识点】 利用相似三角形的性质求解解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451557ef624a9c142ebc5fa155e0e28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e1a727ba332984ad857b3d25344d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193255936/STEM/30fabf74-7838-46e4-9bc4-3b38bd4a005b.png?resizew=170)
【知识点】 相似三角形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587458141d890533c0c32aa249a27ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fc998d33cdf37c272f79cfd64b7b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193264128/STEM/4764f195-e6f6-4e8b-aeed-e8594184d035.png?resizew=296)
【知识点】 相似三角形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515d67b2d5f73eaab7605a8d5569f75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb01d2b57580731c8b807ac8cffc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab0389bef7fea9fd2429966ef6bf2d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7911b182be6e510a6d7ad195a1156a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007a01e5a6dc34a2fd78127ad98ea8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3152d46ff262001a6b86cb42f93a82c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8016fc563df6a672594528f23677ce9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92293b03e315b18ac3a764bda64cbcc8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/887e8a9d-5a8c-4f61-84b5-46e5be48e103.png?resizew=214)
【知识点】 三角函数综合 解直角三角形的相关计算解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab41cce6eb2d3058a644314865d16548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943712a5e96b16cc15d775cc4687237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff18dc80a062e40d29d6f621454dc67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/c5dceaff-d377-4007-8f8f-dc6bcf41cbc3.png?resizew=182)
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a236210f0a3355f4ecb4335088c8632.png)
【知识点】 特殊三角形的三角函数解读 特殊角三角函数值的混合运算解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01b04c18e51f796342a29b12721048a.png)
(1)用配方法把该二次函数的解析式化为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d981ed2d8c3b6e813fc4c95ab5224d0a.png)
(2)选取适当的数据填入下表,并在图中所示的平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
…… | …… | ||||||
…… | …… |
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/3d4ddde3-41a1-4056-af52-77cd12d078de.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6480f384476190883f06c0289c7519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447aa1a46e87bca4becec522b9c06f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fa79283e769e44399dab522aeaaf71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57168279d0e7b6af77bfe37d86f36095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb8792420dc41b07f7180085c601c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e7b8479291900cfbe770d69fed7632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8329e7a1ad5e90272c84171fc01385dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4210df6ad716e00246177a7213da2c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58255ad5c5be507c6b7a961674eddb2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f440efeacc8de68a369629d25c0c432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489e2a70f3ae3f0a6972ccd5c2dd9e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460317e7c26f95b9b29cfe1a89b796d6.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193346048/STEM/4fa880d6-6de1-4133-8dd6-1cd09035a9e4.png?resizew=261)
【知识点】 其他问题(解直角三角形的应用)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9953b7b5c647641edbec4c2ab90a65f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac4e5834821241bf9752e7986e0defa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774d9f123656e48acc840a03b89a216f.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e97edeb2f63eacd8fd1ea588030cb4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52224ab3be914837509713e6e3e84708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45000de1ff40a384ef38f2fa41612f1.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193354240/STEM/83753988-c4ba-4cde-9868-798d89f7644d.png?resizew=325)
【知识点】 等腰三角形的性质和判定 比例的性质解读 相似三角形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c052d7af2f98d95bac8725b608fba0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
(2)在(1)题的条件下,点P为该抛物线上一点,且位于第三象限,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8558de7f1385936cbc8c7febf16a7bc3.png)
(3)如果抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb88ba49607e90d5b1ddf625e2cf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1882ae867052f33c84615e30a6ebff.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2633a6f46b0847158eebb05c743561aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09761a80ef9f2af6ebbc776b4d18a36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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(3)联结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037f8293db157ea27dd647602e5f4aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/2021/1/7/2631199898869760/2634567193387008/STEM/856a10a0-3915-4d21-9780-7147690a8d0b.png?resizew=406)
【知识点】 用勾股定理解三角形解读 相似三角形的判定与性质综合
试卷分析
试卷题型(共 25题)
试卷难度
知识点分析
细目表分析 导出
题号 | 难度系数 | 详细知识点 | 备注 |
一、单选题 | |||
1 | 0.94 | 求角的正切值 | |
2 | 0.85 | 向量的线性运算 | |
3 | 0.85 | 二次函数的识别 | |
4 | 0.94 | 二次函数图象的平移 | |
5 | 0.85 | 坡度坡比问题(解直角三角形的应用) | |
6 | 0.65 | 相似三角形的判定与性质综合 已知正切值求边长 | |
二、填空题 | |||
7 | 0.94 | 比例的性质 | |
8 | 0.94 | 向量的线性运算 | |
9 | 0.85 | y=ax²+bx+c的图象与性质 | |
10 | 0.94 | y=ax²的图象和性质 | |
11 | 0.85 | 已知抛物线上对称的两点求对称轴 | |
12 | 0.85 | y=ax²+k的图象和性质 | |
13 | 0.65 | 成比例线段 | |
14 | 0.85 | 利用相似三角形的性质求解 | |
15 | 0.85 | 相似三角形的判定与性质综合 | |
16 | 0.85 | 相似三角形的判定与性质综合 | |
17 | 0.65 | 三角函数综合 解直角三角形的相关计算 | |
18 | 0.4 | 勾股定理与折叠问题 已知余弦求边长 | |
三、解答题 | |||
19 | 0.65 | 特殊三角形的三角函数 特殊角三角函数值的混合运算 | 计算题 |
20 | 0.65 | y=a(x-h)²+k的图象和性质 画y=ax²+bx+c的图象 | 作图题 |
21 | 0.65 | 向量的线性运算 | 问答题 |
22 | 0.65 | 其他问题(解直角三角形的应用) | 问答题 |
23 | 0.65 | 等腰三角形的性质和判定 比例的性质 相似三角形的判定与性质综合 | 证明题 |
24 | 0.4 | 待定系数法求二次函数解析式 已知抛物线上对称的两点求对称轴 求角的正切值 角度问题(二次函数综合) | 问答题 |
25 | 0.15 | 用勾股定理解三角形 相似三角形的判定与性质综合 | 问答题 |