Recent questions tagged coordinate-geometry-conic -sections

The radius of the circle passing through the foci of the ellipse $\large\frac{x^2}{16}+\frac{y^2}{9}$$=1$ and having its center at $(0,3)$ is

asked Apr 9, 2014 by meena.p

1 answer

The equation $2x^2+3y^2-8x-18y+35=k$ represents

asked Apr 9, 2014 by meena.p

1 answer

The circle passing through $(1,-2)$ and touching the axis of x at $(3,0)$ also passes through the point.

asked Apr 9, 2014 by meena.p

1 answer

The length of the diameter of the circle which touches the x-axis at the point $(1,0)$ and passes through the point $(2,3)$ is

asked Apr 9, 2014 by meena.p

1 answer

The circle $x^2+y^2=4x+8y+5$ intersects the line $3x-4y=m$ at the two distinct points if

asked Apr 9, 2014 by meena.p

1 answer

If a circle passes through the points $(a,b)$ and cuts the circle $x^2+y^2=4$ orthogonally, then the locus of its centre is

asked Apr 9, 2014 by meena.p

1 answer

The two circles $x^2+y^2=ax$ and $x^2+y^2=c^2\; (c > 0) $ touch each other if

asked Apr 9, 2014 by meena.p

1 answer

Intercept on the line $y=x$ by the circle $x^2+y^2-2x=0$ is $AB$ equation of the circle on AB as a diameter is :

asked Apr 9, 2014 by meena.p

1 answer

If the lines $2x+3y+1=0,\qquad 3x-y-4=0$ lie along diameter of a circle of circumference $10\pi$ then the equation of the circle is :

asked Apr 8, 2014 by meena.p

1 answer

The lines $2x-3y=5$and $3x-4y=7$ are diameters of a circle having area as $154$ sq.units. The equation of the circle is .

asked Apr 8, 2014 by meena.p

1 answer

If the two circles $(x-1)^2+(y-3)^2=r^2$ and $x^2+y^2-8x+2y+8=0$ intersect in two distinct point then

asked Apr 8, 2014 by meena.p

1 answer

The centre of the circle passes through $(0,0)$ and $(1,0)$ and touching the circle $x^2+y^2=9$ is

asked Apr 8, 2014 by meena.p

1 answer

If the chord $y=mx+1$ of the circle $x^2+y^2=1$ substance on angle of measures $45^{\circ}$ at the major segment of the circle then value of m is

asked Apr 8, 2014 by meena.p

1 answer

The number of common tangent to the circle $x^2+y^2=4$ and $x^2+y^2-6x-8y=24$

asked Apr 8, 2014 by meena.p

1 answer

The circle passing through the point $(-1,0)$ and touching the y-axis at $(0,2)$ also passes through the point .

asked Apr 8, 2014 by meena.p

1 answer

The center of circle inscribed in square formed by the lines $x^2-8x+12=0$ and $y^2-14\;y+45=0$ is

asked Apr 8, 2014 by meena.p

1 answer

If the tangent at the point P on the circle $x^2+y^2+6x=2$ meets a straight line $5x-2y+6=0$ at a point Q on the y-axis , then the length of $PQ$ is

asked Apr 8, 2014 by meena.p

1 answer

The area enclosed within the curve $|x|+|y|=1$ is

asked Apr 8, 2014 by meena.p

1 answer

A bird is sitting on top of a vertical pole 20m high and its elevation from point O on the ground is 45 $^{\circ}$. It flies off horizontally straight away from the point O. After one second, the elevation of the bird from O is reduced to 30$^{\circ}$. Then the speed in m/s of the bird is?

asked Apr 6, 2014 by balaji.thirumalai

0 answers

Find the angle of intersection of two circles?

asked Mar 27, 2014 by balaji.thirumalai

1 answer

Find the equation of normal in slope form for the hyperbola?

asked Mar 26, 2014 by balaji.thirumalai

1 answer

The radius of general equation of circle is

asked Mar 25, 2014 by balaji.thirumalai

1 answer

Find the centre and radius of the circle $2x^2+2y^2-8x-7y=0$

asked Mar 21, 2014 by balaji.thirumalai

1 answer

Find the equation of the tangent at the point $(0,2)$ to the circle $x^2+y^2-4x+2y-8 = 0$

asked Mar 21, 2014 by balaji.thirumalai

1 answer

For what relation will the circle touch each other $S_1=x^2+y^2+2gx+2fy=0$ and $S_2=x^2+y^2+2g'x+2f'y=0$?

asked Feb 12, 2014 by sreemathi.v

1 answer

Find the relation so that the two circles $x^2+y^2+2gx+2fy+c=0$ and $x^2+y^2+2g_1x+2f_1+c_1=0$cut each other orthogonally.

asked Feb 12, 2014 by sreemathi.v

1 answer

Find the angle of intersection of two circles?

asked Feb 12, 2014 by sreemathi.v

1 answer

Find the equation of circle passing through (1,1) and the point of intersection of the circles $x^2+y^2+10x-y=0$ and $2x^2+2y^2+2x-5y-23=0$

asked Feb 12, 2014 by sreemathi.v

1 answer