# Equation of a Line Through a point and in the Direction of a Vector in 3 D

 A calculator and solver that finds the equation of a line through a point and in a given direction in 3D is presented. The equation is written in vector, parametric and symmetric forms. As many examples as needed may be generated along with all the detailed steps needed to answer the question. Below is shown a line through point $$P(x_p,y_p,z_p)$$ and in the same direction as vector $$\vec v = \lt x_v,y_v,z_v \gt$$. Three forms of the equation of the line: Step by step solution STEP 1: Vector form. STEP 2: Parametric form. STEP 3: Symmetric form.
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