2025 AISS PRELIMS P2 Q4

2025 AISS PRELIMS P2 Q4

Secondary 4
8 marks
2025 Ahmad Ibrahim Secondary School Prelims A Math Paper 2

A circle \(C_1\) has equation \(x^2 + y^2 - 6x + 4y = 12\).

  1. Find the radius and the coordinates of the centre of \(C_1\).[3]
  2. Find the equation of the tangent to the circle at the point \(P(7, -5)\).[3]
  3. Another circle \(C_2\) has centre \((-8, 4)\) and radius 7 cm. Find the shortest distance between the 2 circles.[2]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) Centre \((3,-2)\), radius \(5\text{ cm}\) (b) \(4x-3y=43\) (c) \(0.530\text{ cm}\)

Need help? Join our JC Math tuition classes.

Learn more