【微课】九年级数学第22章二次函数第7讲y=a(x-h)+k的图象第8讲y=ax+bx+c第9讲二次函数与一元二次方程

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初中生考试   2019-7-20 18:40   3674   0


九年级数学第22章二次函数

第7讲:y=a(x-h)+k的图象

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九年级上册数学第21章《一元二次方程》
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[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484807&idx=4&sn=c7c3b57d9c53044350ff4a91be0b7f6b&chksm=c05856a2f72fdfb47c8f674c7489ec050b5ef9b024ae883312099312e915ccb5761ade652776&scene=21#wechat_redirect]第1讲认识一元二次方程


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484798&idx=1&sn=27b3e01da80b8e0439b4b50c951e5665&chksm=c058565bf72fdf4d9a370d4f5fab885aab2f922754504f3679dec14a491d5097f139f655dbcd&scene=21#wechat_redirect]第2讲定义及相关概念


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484798&idx=1&sn=27b3e01da80b8e0439b4b50c951e5665&chksm=c058565bf72fdf4d9a370d4f5fab885aab2f922754504f3679dec14a491d5097f139f655dbcd&scene=21#wechat_redirect]第3讲 直接开平方法


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484798&idx=2&sn=95b0f3095b9a69296f1661145a06a6ef&chksm=c058565bf72fdf4df37860a1d8b11aeb1d74263a4fd22c4d7b3becf3535de2117029ba44e39e&scene=21#wechat_redirect]第4讲配方法


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484798&idx=2&sn=95b0f3095b9a69296f1661145a06a6ef&chksm=c058565bf72fdf4df37860a1d8b11aeb1d74263a4fd22c4d7b3becf3535de2117029ba44e39e&scene=21#wechat_redirect]第5讲公式法


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484798&idx=2&sn=95b0f3095b9a69296f1661145a06a6ef&chksm=c058565bf72fdf4df37860a1d8b11aeb1d74263a4fd22c4d7b3becf3535de2117029ba44e39e&scene=21#wechat_redirect]第6讲因式分解法


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=1&sn=f19634f41958e6ec57ea9e7003b80601&chksm=c05856a4f72fdfb29e9d129327e8b1debbab1a7252da6a2128e8f8d5b571c904b8b6a1a892b4&scene=21#wechat_redirect]第7讲根与系数关系的应用


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=1&sn=f19634f41958e6ec57ea9e7003b80601&chksm=c05856a4f72fdfb29e9d129327e8b1debbab1a7252da6a2128e8f8d5b571c904b8b6a1a892b4&scene=21#wechat_redirect]第8讲根的判别式的应用


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=1&sn=f19634f41958e6ec57ea9e7003b80601&chksm=c05856a4f72fdfb29e9d129327e8b1debbab1a7252da6a2128e8f8d5b571c904b8b6a1a892b4&scene=21#wechat_redirect]第9讲传播问题


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=2&sn=fb9ebb0d31e0b4f71b8f218d464a923f&chksm=c05856a4f72fdfb2b406bbaa5f37472e0b66f6b56cc1175b83b15f8b099a880b2fa3e2a8f883&scene=21#wechat_redirect]第10讲平均变化率问题


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=2&sn=fb9ebb0d31e0b4f71b8f218d464a923f&chksm=c05856a4f72fdfb2b406bbaa5f37472e0b66f6b56cc1175b83b15f8b099a880b2fa3e2a8f883&scene=21#wechat_redirect]第11讲循环赛问题


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=2&sn=fb9ebb0d31e0b4f71b8f218d464a923f&chksm=c05856a4f72fdfb2b406bbaa5f37472e0b66f6b56cc1175b83b15f8b099a880b2fa3e2a8f883&scene=21#wechat_redirect]第12讲营销问题


九年级数学第22章二次函数

[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=1&sn=f19634f41958e6ec57ea9e7003b80601&chksm=c05856a4f72fdfb29e9d129327e8b1debbab1a7252da6a2128e8f8d5b571c904b8b6a1a892b4&scene=21#wechat_redirect][/url][url=http://mp.weixin.qq.com/s?__biz=MzU2NzQ1OTgyMg==&mid=2247485763&idx=4&sn=ea2ba13d085d9c0b83683e542cb3f39a&chksm=fc9da3c2cbea2ad463a98bfa6cede58052312a60ff4febedf9cf1c87ee566f1324f45ea524ca&scene=21#wechat_redirect]第1讲二次函数的定义


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=2&sn=fb9ebb0d31e0b4f71b8f218d464a923f&chksm=c05856a4f72fdfb2b406bbaa5f37472e0b66f6b56cc1175b83b15f8b099a880b2fa3e2a8f883&scene=21#wechat_redirect][/url][url=http://mp.weixin.qq.com/s?__biz=MzU2NzQ1OTgyMg==&mid=2247485763&idx=4&sn=ea2ba13d085d9c0b83683e542cb3f39a&chksm=fc9da3c2cbea2ad463a98bfa6cede58052312a60ff4febedf9cf1c87ee566f1324f45ea524ca&scene=21#wechat_redirect]第2讲y=ax的图象


[/url][url=http://mp.weixin.qq.com/s?__biz=Mzg5OTA1NzIyNg==&mid=2247484801&idx=2&sn=fb9ebb0d31e0b4f71b8f218d464a923f&chksm=c05856a4f72fdfb2b406bbaa5f37472e0b66f6b56cc1175b83b15f8b099a880b2fa3e2a8f883&scene=21#wechat_redirect][/url][url=http://mp.weixin.qq.com/s?__biz=MzU2NzQ1OTgyMg==&mid=2247485763&idx=4&sn=ea2ba13d085d9c0b83683e542cb3f39a&chksm=fc9da3c2cbea2ad463a98bfa6cede58052312a60ff4febedf9cf1c87ee566f1324f45ea524ca&scene=21#wechat_redirect]第3讲y=ax的增减性

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