alleryEquation of line through point (x₀, y₀, z₀) with direction (a, b, c):
ACannot write
B(x - x₀)/a = (y - y₀)/b = (z - z₀)/c (symmetric form)
COnly one equation
DSame as 2D
Answer & Solution
Correct answer: B. (x - x₀)/a = (y - y₀)/b = (z - z₀)/c (symmetric form)
**Symmetric form:** (x - x₀)/a = (y - y₀)/b = (z - z₀)/c = t (parameter).
**Equivalent to parametric:** x = x₀ + at, etc.
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