- Compare the two lines in terms of slope; when m=0, m < 0 and m > 0.
- Compare the two lines in terms of y intercept; when b=0, b < 0 and b > 0.
- When did the lines become parallel? Describe your answer in terms of m and b.
- When did the lines become intersecting? Describe your answer in terms of m and b.
- When did the lines become coinciding? Describe your answer in terms of m and b.