Contact us
Choose a category below so we can get back to you as quickly as possible.
該題和你探討一下,我也不太確定我的思路就是對的!該題是對二次函數的一些概念型東西的考查!y=ax²;+bx+c=a(x+b/2a)²;-b²;/4a+c,過(1.0)點,帶入,則b/2a=-1,-b²;/4a+c=0計算得b=-2a,c=a,說明b的符…
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.