A circle with centre C has equation x + y 8x 6y 20 =

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A circle with centre C has equation x² + y² − 8x − 6y − 20 = 0.

a) Find the coordinates of C and the radius of the circle.

b) A(10, 0) lies on the circle. Find the equation of the tangent to the circle at A.

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 13, 2023 10:49 AM

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A circle with centre C has equation x + y 8x 6y 20 =

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a To find the coordinates of the center and radius of the circle we can rewrite the equation of the ...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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