JSCE Mathematics 2023 Objective — Question 49
Question 49 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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Calculate the area of a square field with side (2 − a)m.
- A. a² − 2a − 4
- B. a² − 4a + 4Correct
- C. 4 − 2a + a²
- D. 4 − 4a − a²
Explanation
(2 − a)² = 4 − 4a + a² = a² − 4a + 4.
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