# Geometry Course/Line/Straight Line

< Geometry Course | Line

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## Straight Line[edit | edit source]

Straight Line is a line that can be drawn from any 2 points

## Straight Line Equations[edit | edit source]

### Straight Line through 2 points[edit | edit source]

If there are 2 points (x_{1},y_{1}) and (x,y) a line can be drawn these two points with a slope

The equation of the line can be

### Straight Line through point[edit | edit source]

From above if x_{1} and y_{1} equal zero then

- y = x

Equation of a straight line through point (0,0) that has a slope equal 1