The value of "k" for which the lines "5x+7y=3" and "15x+21y=k" coincide is (a) "9," (b) "5," (c) "7," (d) "18"

The value of k for which the system of equations x+2y-3=0 and 5x+k y+7=0 has no solution, is (a) 10 (b) 6 (c) 3 (d) 1

The value of k for which the system of equations x+2y=5,\ \ 3x+k y+15=0 has no solution is (a) 6 (b) -6 (c) 3//2 (d) None of these

The number of values of k for which the lines (k+1)x+8y=4k and kx+(k+3)y=3k-1 are coincident is __________

The value of k for which the system of equations k x-y=2 and 6x-2y=3 has a unique solution, is (a) k=3 (b) k !=3 (c) k !=0 (d) k =0

The number of values of k for which the lines (k+1)x+8y=4ka n dk x+(k+3)y=3k-1 are coincident is __________

For what value of k will the line 4x + 3y + k = 0 touch the circle 2x^(2) + 2y^(2) = 5x

The value of k for which the pair of linear equation 4x+6y-1=0a n d2x+k y-7=0 represent parallel lines is (a) k=3 (b) k=2 (c) k=4 (d) k=-2

Find the value of k if the line 3x-4y=k is a tangent to x^(2)-4y^(2)=5

Find the values of k for which the line (k-3)x-(4-k^2) y+k^2-7k+6=0 is (a) Parallel to the xaxis, (b) Parallel to the y axis, (c) Passing through the origin.

For what value of k will the equations x+2y+7=0,2x+k y+14=0 represent coincident lines?