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The equation of the circle having centre...

The equation of the circle having centre (1, 2) and passing through the point of intersection of the lines: 3x+y=14 and 2x+5y=18 is :

A

`x^2+y^2-2x+4y-20=0`

B

`x^2+y^2-2x-4y-20=0`

C

`x^2+y^2+2x-4y-20=0`

D

`x^2+y^2+2x+4y-20=0`

Text Solution

Verified by Experts

The correct Answer is:
A
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MODERN PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -MCQs LEVEL - II
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  2. The equation of the circle having centre (1, 2) and passing through th...

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  3. The area of the circle centred at (1, 2) and passing through (4,6) is ...

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  4. Equation of a circle which passes through (3, 6) and touches the axes ...

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  5. Equation of the circle with centre on the y-axis and pussing through t...

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  6. The equation of a circle with origin as centre and passing through the...

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  7. The tangent to the circle x^2 + y^2 = 9, which is parallel to y-axis a...

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  8. The angle between the tangents from the origin to the circle (x-7)^2 +...

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  9. The circle on the chord x cos alpha + y sin alpha-p= 0 of the circle ...

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  10. The equation to the circle which intersects the circles: x^2+y^2-6y+1=...

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  11. The number of integral values of k for which : x^2+y^2 +kx +(1-k)y+5=0...

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  12. If the centroid of an equilateral triangle is (1, 1) and its one verte...

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  13. A foot of the normal from the point (4, 3) to a circle is (2, 1) and a...

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  14. A tangent to the circle x^2 + y^2 = 1 through the point (0, 5) cuts th...

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  15. The abscissae of two points P and Q are the roots of the equation x^2...

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  16. If the polar of a point P w.r.t. the circle x^2+y^2=a^2 touches the c...

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  17. The locus of the poles of the line ax + by + c = 0 w.r.t. circles whic...

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  18. Length of tangent drawn from any point on the circle x^2+y^2+2gx + 2fy...

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  19. The tangents drawn from the origin to the circle : x^2+y^2-2gx-2fy+f^2...

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  20. If a circle of constant radius 3k passes through the origin and meets ...

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