Math Problem Statement
equation of The line passing through (−5, 0, 4) and (6, −3, 2)
Solution
To find the equation of the line passing through two points in 3D space, we need to use the vector form of the line equation. The general equation of a line passing through two points and can be written as:
where:
- is the position vector of a point on the line,
- is the position vector of the first point ,
- is the direction vector (calculated by subtracting the coordinates of and ),
- is a scalar parameter.
Step 1: Find the direction vector
The direction vector is given by:
Substitute the coordinates of the points and :
Step 2: Write the parametric equation of the line
Using the direction vector and the point , the parametric equations of the line are:
Final answer:
The parametric equations of the line passing through the points and are:
Would you like more details or have any questions?
Here are 5 related questions:
- How do you find the equation of a plane given three points?
- What is the parametric form of a line in 2D space?
- How do you convert a parametric equation into a vector equation?
- How do you determine if two lines in 3D space are parallel?
- What is the distance between two points in 3D space?
Tip: The direction vector gives important information about the orientation of the line, such as its slope and direction.
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Math Problem Analysis
Mathematical Concepts
3D Geometry
Vectors
Parametric Equations
Formulas
Vector form of the line equation: r(t) = r_0 + t * d
Direction vector: d = (x2 - x1, y2 - y1, z2 - z1)
Parametric equations: x = x1 + d_xt, y = y1 + d_yt, z = z1 + d_zt
Theorems
Vector equation of a line in 3D space
Suitable Grade Level
Grades 11-12
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