将4t²-3t+144化成顶点式
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 04:47:49
![将4t²-3t+144化成顶点式](/uploads/image/z/4360587-51-7.jpg?t=%E5%B0%864t%26%23178%3B-3t%2B144%E5%8C%96%E6%88%90%E9%A1%B6%E7%82%B9%E5%BC%8F)
x){ͤDMZDiϴg^.i=6IED/!44%`1[{:&%tb42ַ(Ѷ73(54CS(Qmddi
Tc_\g
} @kBW5
Ws8-hn=t';z_,kFӶ |Vӽ~Ou;͘})3<
将4t²-3t+144化成顶点式
将4t²-3t+144化成顶点式
将4t²-3t+144化成顶点式
4t²-3t+144
=4(t²-3/4t)+144
=4(t²-2*3/8t+9/64-9/64)+144
=4(t²-2*3/8t+9/64)-9/16+144
=4(t-3/8)²+2295/16
=4(t²-3t/4)+144=4[t²-3t/4+(3/4)²-(3/4)²]+144 =4(t-3/4)²-9/16+144=4(t-3/4)²+2295/16
切记[t²-3t/4+(3/4)²-(3/4)²]最好不要将(3/4)²写成9/16的形式,容易出错