The vector v = al + bj is perpendicular to the line ax + by = c. Use this fact to find an equation of the line through P perpendicular to v. Then draw a sketch of the line including v as a vector starting at the origin. P( - 1, -9) v= -41+] The equation of the line is |. (Type an equation.) Choose the correct graph of the line and vector below. O A. O B. O C. OD. O Ay O X