For what value of k will the three lines x - 2y +1 = 0, 2x - 5y + 3 = 0 and 5x - 9y+ k = 0 be concurrent?

Show that the lines 2x + 3y - 8 = 0 , x - 5y + 9 = 0 and 3x + 4y - 11 = 0 are concurrent.

For what value of K are the three st. lines : 2x+y-3=0, 5x + ky-3=0 and 3x-y-2=0 are concurrent ?

If the lines x - 2y - 6 = 0 , 3x + y - 4 and lambda x +4y + lambda^(2) = 0 are concurrent , then

Show that the straight lines : x-y-1=0, 4x + 3y = 25 and 2x-3y + 1 = 0 are concurrent.

Find the value of p so that the three lines 3x + y - 2 = 0, px + 2y-3 =0 and 2x-y -3 =0 may intersect at one point.

For what value of K are the three st. lines : 3x+y-2=0,kx+ 2y-3=0 and 2x-y-3=0 are concurrent ?

Show that the three straight lines 2x-3y + 5 = 0 , 3x + 4y - 7 = 0 and 9x- 5y + 8 = 0 meet in a point

Find the area of the triangle formed by the lines y-x = 0, x + y = 0 and x-k = 0.

Determine k so that the system of equations x + 2y + kz = 0,3x + 5y - 2z = 0 and 5x + 6y - kz = 0 may have a non-zero solution. Find all the real solutions for that value of k.

The lines x-y-6=0, 4x-3y-20=0 and 6x+5y+8=0 are: