Expressing a Vector Line Equation

00:00 3 marks

  • Exam Style - Paper 1
  • SL & HL
  • Tier 2
  • Formulate vector line equations

Find the vector equation of the line that passes through the point \(A(1, -2, 3)\) and is parallel to the vector \(\vec{v} = \langle 4, 0, -5 \rangle\). Express your answer in the form \(\vec{r} = \vec{r}_0 + t\vec{v}\), where \(t\) is a real number.

Hint Hint

Hint

Recall that the vector equation of a line can be written as \(\vec{r} = \vec{r}_0 + t\vec{v}\).

  • Answer Answer
  • Mark Scheme Mark Scheme
  • Explanation Explanation
  • Examiner Tips Examiner Tips
  • Common Errors Common Errors
  • Real World Context Real World Context
  • Focus Focus
  • Formula Booklet
  • Answer Answer

Complete Answer

\(\vec{r} = \langle 1, -2, 3 \rangle + t\langle 4, 0, -5 \rangle\)

  • Mark Scheme Mark Scheme
  • Answer Explanation Answer Explanation
  • Examiner Tips Examiner Tips
  • Common Errors Common Errors
  • Focus Focus

Math Editor

Report Question


Please enter keywords