IB skill practice

Determine Euler trail conditions

Use odd-degree vertex counts to decide whether an Euler trail is possible.

Paper 1, Paper 2 5 marks Difficulty 5

Determine Euler trail conditions - exam scenario

Confirm the modelling meaning first. A community clinic network has 4 vertices of odd degree. State 1 if an Euler trail is possible, otherwise state 0. Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

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