Contact us
Choose a category below so we can get back to you as quickly as possible.
先求一次函數解析式 0=2k+b,4=-2k+b ∴k=-1 b=2 ∴y=-x+2 因為C(-2,4) ∴4a=4 ∴a=1 ∴二次函數的解析式為y=x²; 帶入B(1.1)
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.