Contact us
Choose a category below so we can get back to you as quickly as possible.
我們把形如y=ax^2+bx+c(其中a,b,c是常數,a≠0)的函數叫做二次函數(quadratic function),稱a為二次項係數,b為一次項係數,c為常數項.一般的,形如y=ax^2+bx+c(a≠0)的函數叫二次函數.引數(通常為x)和因變數(…
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.