Waec Model Questions Vol1 2022 Mathematics Question 13

Practice objective / multiple choice question 13 from the 2022 Waec Model Questions Vol1 Mathematics examination.

Waec Model Questions Vol1 2022 Mathematics Objective / Multiple Choice Hard Difficulty
Question 13 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • MATHEMATICS • objective

In a vector space, vector A is represented as 3i + 4j and vector B is represented as -2i + 5j. Calculate the resultant vector \(R = A + B\) and find its magnitude.

Answer Options

A. Resultant vector \(R = 3i + 5j\) and its magnitude is \(√34\).
B. Resultant vector \(R = 5i + 9j\) and its magnitude is \(√82\).
Correct Answer C. Resultant vector \(R = i + 9j\) and its magnitude is \(√82\).
D. Resultant vector \(R = i + 7j\) and its magnitude is \(√50\).
Correct Answer
C
Correct Option:
Resultant vector \(R = i + 9j\) and its magnitude is \(√82\).

About This Question

This is Waec Model Questions Vol1 2022 Mathematics Question 13. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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