5x+7y+2=0
4x+6y+3=0

If the equations of the tangent to the circle x^(2)+ y^(2)- 2x + 6y -6 =0 parallel to 3x - 4y + 7=0 is 3x - 4y +k=0 , then the values of k are : a) 5,-35 b) -5,35 c) 7,-32 d) -7,32

The equation of the diameter of the circle x^(2) + y^(2) -4x-6y +3 = 0 that is perpendicular 2x + 5y-6 = 0 is

The number of equation 2x+3y=8, 7x-5y+3=0 , 4x - 6y +lamda =0 is solvable if lamda is :

Find whether for following pairs of equations are consistent or not by graphical method. If consistent, solve them. (i) x-2y =6 3x - 6 y=0 (ii) 4x + 7y =-11 5x - y +4 =0

Find the parametric equation of the circles : (i) 2x^(2) + 2y^(2) - 5x - 7y - 3 = 0 (ii) 3x^(2) + 3y^(2) + 4x - 6y - 4 = 0 .

I. 5x^(2) + 2x - 3 = 0" "II. 2y^(2) + 7y + 6 = 0

The figure formed by the lines 2x-5y+4=0, 5x+2y+7=0, 2x-5y+3=0, 5x+2y-6=0 is

The figure formed by the lines 2x+5y+4=0, 5x+2y+7=0, 2x+5y+3=0 and 5x+2y+6=0 is