What is the axis of symmetry of y=x2−6x+8y = x^2 - 6x + 8y=x2−6x+8?Ax=6x = 6x=6Bx=−3x = -3x=−3Cx=−6x = -6x=−6Dx=3x = 3x=3check_circleExplanationAxis of symmetry: x=−b/(2a)=6/2=3x = -b/(2a) = 6/2 = 3x=−b/(2a)=6/2=3.