# Mathematics Worksheet/Equations of Straight Line

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- Determine the gradient of a segment in line that connecting points:
- and
- and
- and
- and
- and
- and
- and
- and
- and
- and

- Find the gradient line from:
- Draw in the Cartesian diagram if known the four points are:
- From the questions number 3, calculate the gradient of line AB and line CD.
- From the questions number 3, are the both lines parallel? If not, give the reason.