Investigate translations (x-h) and (y-k) of a straight line with a gradient (m).

# Category: Linear Functions

- Gradient of lines
- Graphing linear equations
- Finding the equation of a line
- Perpendicular lines
- Distance between points
- Midpoint of a line

A graphical solution to find where the equations have no solution, one solution or infinite solutions.

Categories

## Linear graphs

Investigate the effect of changing the gradient and y intercept.

http://phet.colorado.edu/en/simulation/graphing-lines

Explore the world of lines. Investigate the relationships between linear equations, slope, and graphs of lines. Challenge yourself in the line game!