Math Problem Statement
Give a vector parametric equation for the line through the point (−4,5,3) that is parallel to the line ⟨1−3t,−4−t,0⟩:
Solution
To find the parametric equation of a line that passes through the point and is parallel to the line given by , follow these steps:
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Identify the direction vector: The parametric equation of the given line has a direction vector , which represents the direction of the line.
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Set up the parametric equation: A parametric equation for a line passing through a point with direction vector is:
In this case, the point is , and the direction vector is .
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Write the parametric equation:
This simplifies to:
Thus, the parametric equation of the line is:
Do you have any questions, or would you like more details?
Here are some related questions:
- How do you find the parametric equation of a line given two points?
- What is the vector equation of a line, and how does it differ from the parametric form?
- How do you calculate the angle between two lines using their direction vectors?
- What does it mean geometrically for two lines to be parallel in 3D space?
- How do you find the point of intersection between two lines in space?
Tip: Always check the direction vector to confirm whether lines are parallel, perpendicular, or skew.
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Math Problem Analysis
Mathematical Concepts
Vector Geometry
Parametric Equations
3D Coordinate Geometry
Formulas
Parametric equation of a line: r(t) = ⟨x_0, y_0, z_0⟩ + t⟨a, b, c⟩
Direction vector: ⟨a, b, c⟩
Theorems
Two lines are parallel if their direction vectors are scalar multiples of each other.
Suitable Grade Level
Grades 10-12 (High School Geometry)
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