IB skill practice

Find tangent and normal equations

Find tangent and normal gradients and equations using derivatives at a point.

Paper 1, Paper 2 5 marks Difficulty 5

Normal gradient from a tangent

For \(f(x)=1x^{2}+2\), find the normal gradient at \(x=2\).

Worked practice: result and interpretation

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