Contact us
Choose a category below so we can get back to you as quickly as possible.
y=ax^2+bx(a不等於0)的影像經過A(-1,3) 3=a-b b=a-3 ab=a(a-3)=a^2-3a看成二次函數 a=3/2時有最小值 ab最小值-9/4
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.