All lines with equation a x+b y=c such that a, b, c form an arithmetic progression pass through a common point. What are the coordinates of that point?
Answer Choices
A. (-1,2)
B. (0,1)
C. (1,-2)
D. (1,0)
E. (1,2)
All lines with equation a x+b y=c such that a, b, c form an arithmetic progression pass through a common point. What are the coordinates of that point?
Answer Choices
A. (-1,2)
B. (0,1)
C. (1,-2)
D. (1,0)
E. (1,2)