Waec Model Questions Vol2 2025 Mathematics Question 13

Practice objective / multiple choice question 13 from the 2025 Waec Model Questions Vol2 Mathematics examination.

Waec Model Questions Vol2 2025 Mathematics Objective / Multiple Choice Medium Difficulty
Question 13 WAEC_MODEL_QUESTIONS_VOL2 • 2025 • MATHEMATICS • objective

The quadratic equation \(x^{2}-kx+6=0\) has two real roots. One root is exactly one less than twice the other root, and both roots are positive. (i) Find the value of \(k\). (ii) Compute the sum of the squares of the two roots.

Answer Options

Correct Answer A. k = 5; sum of squares = 13
B. k = 5; sum of squares = 12
C. k = 4; sum of squares = 13
D. k = 6; sum of squares = 15
Correct Answer
A
Correct Option:
k = 5; sum of squares = 13

About This Question

This is Waec Model Questions Vol2 2025 Mathematics Question 13. It is one of the objective questions from the 2025 Waec Model Questions Vol2 Mathematics examination.

Difficulty level: Medium .

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