1. Question 109
    Coordinate Geometry - Straight Lines - Points and Lines
  2. Question 115
    was: Coordinate geometry - Straight lines - Summary
    now: Coordinate geometry - Straight lines - Matching straight lines (y=mx+c)
  3. Question 117
    Coordinate Geometry - Straight Lines - Straight Line Recognition 2
  4. Question 1006
    Algebra and Functions: \(y = \left| {mx + c} \right|\)
  5. Question 3078
    was: Linear programming - Graphing - ax+by=c
    now: Linear programming - Graphing - Graphing ax+by=c
  6. Question 7536
    Algebra and Functions: \(y = m\left| x \right| + c\)