IB skill practice

Use vector equations of lines

Work with vector line equations, points, directions, and parameter values.

Paper 1, Paper 2 5 marks Difficulty 4

Use vector equations of lines - visual angle meaning

A vector line passes through (-2,5) with direction (4,-2). Enter the \(x\)-coordinate when \(t=6\).

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.