Explore the Properties of a Straight Line Graph

Move the m and b slider bars to explore the properties of a straight line graph. Look at

  • The effect of changes in m
  • The effect of changes in b
  • The effect of a negative value of m
  • The effect of a negative value of b
  • How to create a horizontal line

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Read more about the Equation of a Straight Line

Find the Equation from 2 Points

Now see how two points can change the line equation. Try to make:

  • y = 2x + 1
  • y = -2x -1
  • y = x
  • y = 1
  • x = 1

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