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CIE 9709 2025 Nov Paper 15 Q1

A Level / CIE / P1

CIE 9709 2025 Nov Paper 15 Paper · Question 1

题目

Problem

A circle has centre (2,6)(2,6) and radius 1010.

(a) State the equation of the circle.

[2]

(b) The circle passes through the point (8,k)(8,k).

Find the two possible values of kk.

[3]
题目中文翻译

一个圆的圆心为 (2,6)(2,6),半径为 1010

(a) 写出这个圆的方程。

(b) 这个圆经过点 (8,k)(8,k)

kk 的两个可能值。

解答