JSCE Mathematics 2024 Objective — Question 62
Question 62 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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The area of the surface of a rectangular desk is 6cm^2. Given that the length and breadth are (x + 2) and (x - 3) respectively. Find the dimension of the surface.
- A. 6cm by 1cmCorrect
- B. 4cm by 2cm
- C. 3cm by 2cm
- D. 3cm by 1cm
Explanation
(x + 2)(x - 3) = 6, so x^2 - x - 12 = 0 and (x - 4)(x + 3) = 0. x = 4. Length = 6cm and breadth = 1cm.
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