[4.6x-5y-16=0],[7x-13y+10=0]

6x - 5y - 16 = 0 , 7x - 13 y + 10 = 0 .

Solve the pair of equations. 7x-5y-11=0, 3x+2y-13=0

Solve fir x and y: [5x-4y+8=0],[7x+6y-9=0]

The orthocentre of the triangle formed by the lines x-7y+6=0,2x-5y-6=0 and 7x+y-8=0 is

Classify the following pairs of lines as coincident, parallel, perpendicular or intersecting : (i) 6x+14y-16=0 , 12x+28y-32=0 (ii) 3x-4y=8 , 3x+4y=11 (iii) 5x-2y=7 , 2y-5x=-7 (iv) 4x+7y=19 , 7x-4y=-2 (v) x-2y=7 , 4y-2x=13

The number of solutions to the pair of equations 6x-7y+8-0 and 12x-14y+10=0 is………..

The two circles x^2 + y^2 -2x+6y+6=0 and x^2 + y^2 - 5x + 6y + 15 = 0 touch eachother. The equation of their common tangent is : (A) x=13 (B) y=6 (C) 7x-12y-21=0 (D) 7x+12y+21=0

Find the orthocentre of the triangle whose sides are 7x+y-10=0, x-2y+5=0, x+y+2=0

Solve graphically the system of linear equations 4x-5y+16=0 and 2x+y-6=0.

Solve the following equations by cramer's rule : 7x+y+1 = 0 , x+13y+5 = 0 .