6x-4y=-12;8x-3y=-2

Solve by the elimination method: 3x+4y=12, 6x+8y=20

4x-3y=8, 6x-y=29/3

The equation of a line which is parallel to the line common to the pair of lines given by 6x^2-x y-12 y^2=0 and 15 x^2+14 x y-8y^2=0 and at a distance of 7 units from it is 3x-4y=-35 5x-2y=7 3x+4y=35 2x-3y=7

The equation of a line which is parallel to the line common to the pair of lines given by 6x^2-x y-12 y^2=0 and 15 x^2+14 x y-8y^2=0 and at a distance of 7 units from it is 3x-4y=-35 5x-2y=7 3x+4y=35 2x-3y=7

Fill in the blanks: 2x^2y+3x(4y)-2y(12x)+8=2x^2y- ______+8

Find the product of the following. (9x^2+16y^2+12xy+6x-8y+4)(3x-4y-2)

The centres of 3 circles x^2+y^2 =1, x^2+y^2 +6x-2y=1, x^2+y^2-12x+4y=1 are :

If x^(2)+y^(2)+6x-4y-12=0 then find the ragne of 2x+y

If x^(2)+y^(2)+6x-4y-12=0 then find the ragne of 2x+y