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 5

Use vector equations of lines - visual exam conclusion

A vector line passes through (-1,3) with direction (2,1). Enter the \(x\)-coordinate when \(t=4\).

Worked practice: result and interpretation

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