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Nick Z.

asked • 02/11/14

Q4 c1 is the circle x² + y² -4y-20=0 and l is the line 2x-y+5=0

Q4 c1 is the circle x² + y² -4y-20=0 and l is the line 2x-y+5=0

(a) write down the centre and radius lenght of c1

(b) Find the perpendicular distance from the centre of c1 to the line l in surd form

(ii) Hence or otherwise find PQ in surd form

(c) PQ is the diameter of circle c2
     Find the equation of c2

1 Expert Answer

By:

Parviz F. answered • 02/11/14

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4.8 (4)

Mathematics professor at Community Colleges

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