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Co - ordinate Geometry Circles

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The points of intersection of the line 4x-3y-10=0 and the circle x²+y²-2x+4y-20=0 are

A. (-2,-6), (4,2)

B. (2,6), (-4,-2)

C. (-2,-6), (-4,2)

D. (-2,6), (-4,2)

E. None of the above

View Answer

Correct choice: A

Explanation:

Substituting x=3y+10/4 in equation of circle, we get a quadratic in y. Solving, we get two values of y as 2 and – 6 from which we get value of x.

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles