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IB Mathematics HL – Vectors, Cartesian equation form of a line 3D

How can we find the Cartesian equation form of the line passing through the point (1,4,9) and is parallel to the vector ?

Thanks

How can we find the Cartesian equation form of the line passing through the point (1,4,9) and is parallel to the vector ?

Thanks

- elizabeth
**Posts:**0**Joined:**Mon Jan 28, 2013 8:09 pm

IB Mathematics HL – Vectors, Cartesian equation form of a line 3D

The Cartesian form for the equation of a straight line is :

where is a position vector (a point on the line)

and is a direction vector ( a vector parallel to the line)

Concerning your question we have that the Cartesian equation form is given by the following formula:

Hope these help!

- miranda
**Posts:**268**Joined:**Mon Jan 28, 2013 8:03 pm

Thanks miranda!!

- elizabeth
**Posts:**0**Joined:**Mon Jan 28, 2013 8:09 pm

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