将4t²-3t+144化成顶点式
问题描述:
将4t²-3t+144化成顶点式
答
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