Gce Model Questions Vol1 2021 Mathematics Question 11

Practice objective / multiple choice question 11 from the 2021 Gce Model Questions Vol1 Mathematics examination.

Gce Model Questions Vol1 2021 Mathematics Objective / Multiple Choice Medium Difficulty
Question 11 GCE_MODEL_QUESTIONS_VOL1 • 2021 • MATHEMATICS • objective

The system of linear equations (kx + 4y = 12) (2x + ky = 8) has no solution for certain values of the parameter (k). (a) Find all such values of (k). (b) Then, for (k = 4), solve the system and give the ordered pair \((x, y)\).

Answer Options

A. k = \pm 2; for k = 4, (x, y) = (2, 1)
B. k = \pm 3; for k = 4, (x, y) = (2, 1)
Correct Answer C. k = \pm 2\sqrt{2}; for k = 4, (x, y) = (2, 1)
D. k = \pm 2\sqrt{2}; for k = 4, (x, y) = (1, 2)
Correct Answer
C
Correct Option:
k = \pm 2\sqrt{2}; for k = 4, (x, y) = (2, 1)

About This Question

This is Gce Model Questions Vol1 2021 Mathematics Question 11. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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