Special case of linear equations: Horizontal lines

Lessons

1. Determine the line of equations from the following points.
   i) $(-5,2), (3,2)$
   ii) $(-3, 4), (4,4)$
   iii) (b,m), (c,m)
2. Write the equation of the line with the given information.
   
   1. Horizontal, passes through (4,7)
      
   2. Horizontal, passes through ($- {2 \over 5}, -3)$