y等于x负二次方的图像
![yxμ的图像规律总结](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831BFFD40EBB6ACF0C5B22B3FAB9420CF12808BEA696B413ED5CB7CE1C9BA01E157988AE99CA821BDC74DD8150914DB731CDEF5C62803161D381A0D4A2DF832D418BB0147B6352D15CFF41D82A87D2B6BC)
yxμ的图像规律总结
图片尺寸600x422![一般地,y=xα(α为有理数)的函数,即以底数为自变量,幂为因变量,指数](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D6E9E648CC57B7E1EB41D09E96281B04321E7EA17DB46AC2E116E984F1DDC87C9D5C5F400DDF8D66A8B3CCA66889A76A8A0131AE97A77D1A658188203B75B3B40AF1D19A0B0C18DE455E213098DB65E2)
一般地,y=xα(α为有理数)的函数,即以底数为自变量,幂为因变量,指数
图片尺寸478x330![在同一直角坐标系中作出下列三个函数的图像y=2x,y=x2,y=log2x.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9A82741B62A56FB082AC482F3108AFA52A468F26F611EC3240AE8B0ADFA954AFCF72D32439F0CB88668B3C84FC19E8F2DB6A14690D79F3F136CE16C0F7E3D9F213B188C7C37BA9434D8ABA2271239C66E)
在同一直角坐标系中作出下列三个函数的图像y=2x,y=x2,y=log2x.
图片尺寸516x418![例如函数y=x0 ,y=x1,y=x2,y=x-1(注:y=x-1=1/x y=x0时x](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E934E6ED66434E469954A79C9479058AEDABD72330323BA3B2F308DEDC0164816C9BECA4D6FA80D9540A3BDC712449747283DCA6418E3A7424F8A6020B51E47B28E84B12B87DD4EAEEA33B8C329C7CD070)
例如函数y=x0 ,y=x1,y=x2,y=x-1(注:y=x-1=1/x y=x0时x
图片尺寸600x400![二次函数y=ax2 bx c(a≠0)的图象经过(3,0)点,当x=1时,函数的最小值为](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E835011D83B1A675825E3A9F9402CCED71ECEABCABF0B2DEF409EDB4FE6F99C894B6AEFEDF5982923DB7BAF061411DA1B8E5D1259A378B3676562A6EB0E02A250D5A7C8E69136CC371C4DB1E7DB9CA331BD)
二次函数y=ax2 bx c(a≠0)的图象经过(3,0)点,当x=1时,函数的最小值为
图片尺寸555x562![已知幂函数y=x的m-2次方(m∈n)的图像与x,y轴都无交点且关于y轴对称求](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8386EF1E102233B95F2DAEFCFA79472791B56B8AE4A127939DE10FF3B9BA36F20927CEF20F40B3E28DBFB5922387396A3ABB765F29F604A37E81FA0F394A5A82866B642F4DCA7B99DD591DCA231A295344)
已知幂函数y=x的m-2次方(m∈n)的图像与x,y轴都无交点且关于y轴对称求
图片尺寸450x257![y=x负一次方的图像](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9F4C3B3353C1D31EE00485F3E4A41AE4D0A8E7135763EBC7F1D87543063422A5505754E7B9195D593A33CDFABD59FDC5CCDA5A71FC5272333EC49DA22E2AB2C03DD9FEE3041203240BC2261ECA5039B73)
y=x负一次方的图像
图片尺寸450x300![(2)________,形如y=a(x-h)2 k(a≠0). (3)](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E984B798930CA32D69279AA4B7EA4744B3D28FC19FE02B286294762D3272413EC2811CD1A0EC801161CA5D916D9E665D96731F7C525897AA51AA72A06BEB83171D6353A646C26E84AD4C19F6C9C694B95C)
(2)________,形如y=a(x-h)2 k(a≠0). (3)
图片尺寸1191x601![y=负二分之一的x次方的图象.谢谢.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E830C46FDDE069A69F6F115A0A147771489152DBA713B5EC7469D69783661C67EA1E5DEC6AB08ACB8A0B203F69A616700D7CCC9C9F508A48C6430A537E0B1AE9AC534532DF63EA13C6303F59AB0DF83E7B5)
y=负二分之一的x次方的图象.谢谢.
图片尺寸426x568![会用描点法画二次函数y=ax2(a 0) 的图象;(重点) 2.掌握](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E90C22AE097B4EC8D68B550ACFC2F3A05F9C40EF78E7863FDD4C23CC87E129F3EDE4AA9143BB94A29C388498DF11AB618A3EB5D59DEB21B02D10F71060BB7A98C558BD0B32335C390075EE8EB85D47168B)
会用描点法画二次函数y=ax2(a 0) 的图象;(重点) 2.掌握
图片尺寸1026x719![y=x2:y总为正;y=x3:y与x同符号](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D2777FED9B502DBC2F3267C78604A6364F4E8D892EC818F8FC9AA9BFE49D32C0BC7F446E269F8BB89FEB0ADD141B1BE3810DD9A358547C4795AFD6AAA34503E80800CA27820DD7044F1BB591604C2FF8)
y=x2:y总为正;y=x3:y与x同符号
图片尺寸1043x460![用描点法作出幂函数y=xα的图象,并说明函数的定义域和单调性.](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7352992320389FE861E849F6927BC06AB795F42BFF1BB39F2DC136F504448A2C7401A1119433FC60FAE667BD9B579403CC6882D9CD30C21B97AD95B8A9B18458E48CC624A9B0D29648D2EA1E2D534D8EA5)
用描点法作出幂函数y=xα的图象,并说明函数的定义域和单调性.
图片尺寸999x942![y x 2x 2](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73ECF6A4893B2E90315352A4DF18250FBC9584F81E82FC2919C2EF885324D172494EC8451FAB8FD2B0B3F65EBD3AA629F79DF68C43B29160A6F89DA64CE54A574039A006B26F2C29B51015EE6F7FD5F6A6)
y x 2x 2
图片尺寸1080x810![真题汇编:二次函数的图象和性质对于②,易得a 0,对称轴在y轴的右边,故](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73766DC062038565A265B862FFA3154B1E3F459043B4158213862D94A0AEDA7035B70094F6ECF4C4C135C0BD99325C69276FCE0E2A710C132D66284847FA4F37238144B64AB697F48AE75D87A6D25BC542)
真题汇编:二次函数的图象和性质对于②,易得a 0,对称轴在y轴的右边,故
图片尺寸1093x955![画出y=x二次方的图象](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83C10F76A7F2495640CA53EDECCF5EFC546240470A84BA70F27F5B159C71D96EC3F1B7A910B7C93A841354E774F5F6D38746B9ECE8C117589B03A60E02C0ABBD5615E83637F593DBAF5756AC03A366AAC9)
画出y=x二次方的图象
图片尺寸936x1664![由图可知,在y=x上方的图像共3条,即p 1 法二 由题意](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83605BECA26279DC2C8930FB75C9665EE1E57E6F1595446E269A61430DF2724AF502110F84908F1186028ED138DBE776E1BF0B0AAEC369E33E9B148FFBDE56559EC4B93A3176C6D81ECA1FDED0D8CBDF39)
由图可知,在y=x上方的图像共3条,即p 1 法二 由题意
图片尺寸1040x780![二次函数 y =ax 2 bx c(c≠ 0) 的图像如图所示, a , b , c 的取值](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83474092E3BE28EBCFA2640FD9E7796FDA4697618B10BF969B6C3B178297A6F63ADE39A10AEF7807CABC12AB467723FA34F3D64DE031B06CCA181567572C1C65401502D86751470A0905C536D6BC6EEAAE)
二次函数 y =ax 2 bx c(c≠ 0) 的图像如图所示, a , b , c 的取值
图片尺寸646x474![列表: x … - - … y … - … 描点并连线](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E968C1D3665E0492273F5D19AAE4604AC6FF184FFDBDEC29036F765EC849DFFC75FBBCC852AAE769D8DB1C7BFD94C8EB6F6D4B4F44F498FAF387FDCA567A278F9FC4551CA4AB954E0E7420E52F220E52A9)
列表: x … - - … y … - … 描点并连线
图片尺寸807x888![y=1/x^2的图像怎么画啊?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9439700BEFB63B3F57AEA7D555A3D6DD8EE5B37BC4C4D942EA4E61FC54016EE972368CD93E2CF4A3EFEFD935A4F0BCFB6300B7ADD35EEE8AA339E9FCF0B3286D0B12B4A2AD6E97E3185F4A56C998538BE)
y=1/x^2的图像怎么画啊?
图片尺寸410x461![画出函数y=x2的图像. _百度教育](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73D9BB414D90FF9012CB38E9DB05B5E198C71EF2BA620285079E6D84A73AE11ECAF8335BE4EC99B95E1FD96487170950132632CD5271AE2CB1345351122AA35CEF64CE2821D355C169705A9A8EF2391C1A)
画出函数y=x2的图像. _百度教育
图片尺寸215x217