JAMB Mathematics 2025 Objective — Question 6
Question 6 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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The equation of a circle is given as x²+y²-6x-8y+9=0. What is the centre of the circle?
- A. (3,4)Correct
- B. (-3,-4)
- C. (3,5)
- D. (2,5)
Explanation
Complete the square: (x-3)²+(y-4)²=16, so centre = (3,4).
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