Related Post: X 2 6x 8 In Vertex Form X 2 4x 8 In Vertex Form F X )= X 2 6x 8 In Vertex Form F X )= 2x 2 6x 8 In Vertex Form F X )= X 2 4x 8 In Vertex Form X^2-6x In Vertex Form Y=x^2+6x+8 Vertex Form