ECZ 2016 · GCE Paper 1 — Vectors In Two Dimensions
Given that AB = [−3; 4] (a column vector), find |AB|.
- A. 7
- B. 1
- C. 25
- D. 5
Verified working — step 1
|AB| = √((−3)² + 4²) = √(9 + 16) = √25 = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question