Are the graphs of the lines x - 2y = 4 and y = 2x - 2 parallel, perpendicular, or neither? Explain your answer.
O A parallel; they both have slope 2.

O B. perpendicular, their slopes are opposite reciprocals.

O C. identical; they both have slope 2 and y-intercept -2.

O D. neither, their slopes are not the same and not opposite reciprocals.​