题目抛物线y=−2(x+5)2+1y=-2\left(x+5\right)^{2}+1y=−2(x+5)2+1的顶点坐标是（ ）A.(5,1)(5,1)(5,1)B.(−5,−1)(-5,-1)(−5,−1)C.(−5,1)(-5,1)(−5,1)D.(5,−1)(5,-1)(5,−1)知识点：二次函数的性质I章节：函数 / 二次函数
