檢視二次项系数的原始碼

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| style="background: #FF2400" align= center|  '''<big>二次项系数</big>'''
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|<center><img src=https://gimg2.baidu.com/image_search/src=http%3A%2F%2Ffile1.renrendoc.com%2Ffileroot2%2F2020-1%2F16%2F96b01c48-41b8-4e46-a6f3-18d7f0e6a412%2F96b01c48-41b8-4e46-a6f3-18d7f0e6a4122.gif&refer=http%3A%2F%2Ffile1.renrendoc.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1667427627&t=fcd9174b2951c0c0f82edc9df98d2419 width="300"></center>
<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E4%BA%8C%E6%AC%A1%E9%A1%B9%E7%B3%BB%E6%95%B0&step_word=&hs=0&pn=3&spn=0&di=7136437450519347201&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=2176943052%2C423417685&os=2029177133%2C1923583173&simid=2176943052%2C423417685&adpicid=0&lpn=0&ln=1801&fr=&fmq=1664835618895_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Ffile1.renrendoc.com%2Ffileroot2%2F2020-1%2F16%2F96b01c48-41b8-4e46-a6f3-18d7f0e6a412%2F96b01c48-41b8-4e46-a6f3-18d7f0e6a4122.gif%26refer%3Dhttp%3A%2F%2Ffile1.renrendoc.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1667427627%26t%3Dfcd9174b2951c0c0f82edc9df98d2419&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3B6jg6jg15v_z%26e3Bv54AzdH3Frwrj6AzdH3Flnmccm8a_z%26e3Bip4s&gsm=400000000000004&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCwyLDMsNSwxLDQsNiw4LDcsOQ%3D%3D 来自 呢图网 的图片]</small>
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| style="background: #FF2400" align= center|  '''<big></big>'''

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中文名称;二次项系数

提出者;牛顿、笛卡尔、李善兰等数学家

提出时间;18世纪

应用学科;数学

适用领域;解析几何
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二次函数y=ax^2+bx+c（a≠0）,其中二次项x^2前面的系数a叫做'''二次项系数'''，x前面的系数b叫做[[一次项系数]]，c叫做常数项。<ref>[https://wenda.so.com/q/1500396753219856?src=140&q=%E4%BA%8C%E6%AC%A1%E9%A1%B9%E7%B3%BB%E6%95%B0 二次项系数是什么?],360问答 , 2016年12月01日</ref>