化简二次函数y=(x-6.5)²+(x-5.9)²+(x-6)²+(x-6.7)²+(x-4.5)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 02:10:09
![化简二次函数y=(x-6.5)²+(x-5.9)²+(x-6)²+(x-6.7)²+(x-4.5)²](/uploads/image/z/3934375-7-5.jpg?t=%E5%8C%96%E7%AE%80%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0y%3D%28x-6.5%29%26%23178%3B%2B%EF%BC%88x-5.9%29%26%23178%3B%2B%EF%BC%88x-6%EF%BC%89%26%23178%3B%2B%EF%BC%88x-6.7%EF%BC%89%26%23178%3B%2B%EF%BC%88x-4.5%EF%BC%89%26%23178%3B)
化简二次函数y=(x-6.5)²+(x-5.9)²+(x-6)²+(x-6.7)²+(x-4.5)²
化简二次函数
y=(x-6.5)²+(x-5.9)²+(x-6)²+(x-6.7)²+(x-4.5)²
化简二次函数y=(x-6.5)²+(x-5.9)²+(x-6)²+(x-6.7)²+(x-4.5)²
y=(x-6.5)²+(x-5.9)²+(x-6)²+(x-6.7)²+(x-4.5)²
=4x²-2(6.5+5.9+6+6.7+4.5)x+(6.5²+5.9²+36+6.7²+4.5²)
=4x²-59.2x+178.2