1.3 Coordinate geometry in the (x, y) plane

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Question 16

73%

The circle $C\,$ has centre $(5, k)$ , where $k\,$ is a constant. The line $y = 2 x + 1$ is a tangent to the circle $C$ , touching $C\,$ at the point $A (3, 7)$ .

Find an equation for $C$ .

[4]

1.3 Coordinate geometry in the (x, y) plane

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Question 16

73%

The circle $C\,$ has centre $(5, k)$ , where $k\,$ is a constant. The line $y = 2 x + 1$ is a tangent to the circle $C$ , touching $C\,$ at the point $A (3, 7)$ .

Find an equation for $C$ .

[4]

1.3 Coordinate geometry in the (x, y) plane

Question 16

1.3 Coordinate geometry in the (x, y) plane Questions

1.3 Coordinate geometry in the (x, y) plane

Question 16

1.3 Coordinate geometry in the (x, y) plane Questions