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C1 CIRCLES Worksheet B

1 The circle C has centre (3, -2) and radius 5.
a Write down an equation of C in cartesian form.
The line y = 2x - 3 intersects C at the points A and B.
b Show that AB = 4 5 .

2 The…

Page 2

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C1 CIRCLES Worksheet B continued

7 The points P (-4, 9) and Q (-2, -5) are such that PQ is a diameter of circle C.
a Find the coordinates of the centre of C.
b Find an equation for C.
c Show that the point R (2, 7) lies on…



Continuing the practice on circle questions, starting with some simple and then some stretching questions.  No answers though.

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