Question

要过程】写出下列函数的对称轴和顶点坐标：y=5(x-1)²

Answer 1

y=5(x-1)²对称轴 x=1顶点(1,0)y=2x²-4x-1=2(x²-2x+1)-3=2(x-1)²-3对称轴 x=1顶点(1,-3)y=3x²-6x+2=3x²-6x+3-1=3(x-1)²-1对称轴 x=1顶点(1,-1)y=（x+1）（x-2）这个开口方向是向...