Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function: y=4x^2-8x-3
Ax= -1; vertex: (-1,9)
Bx= 1; vertex: (1,-7)
Cx= 1; vertex: (1,-11)
Dx= -1; vertex: (-1,-7)
Ax= -1; vertex: (-1,9)
Bx= 1; vertex: (1,-7)
Cx= 1; vertex: (1,-11)
Dx= -1; vertex: (-1,-7)