If `kx+3y=0` is one of the two lines `5x^(2)+3xy-y^(2)=0` then `k^(2)-9k=`

If 2x+y=0 is one of the lines given by 3x^(2)+kxy+2y^(2)=0 , then k=

If one of the lines 2x^(2)-xy+ky^(2)=0 is x-3y=0 then k=

If one of the lines represents by 3x^(2)-4xy+y^(2)=0 is perpendicular to one of the line 2x^(2)-5xy+ky^(2)=0 then k=

If the sum of the square of slopes of the lines represented by kx^(2)-3xy+y^(2)=0 is 5, then k=

The line 5x +y-1=0 coincides with one of the lines given by 5x^(2) +xy -kx - 2y+2=0 then the value of k is

If the slope of one of the lines given by kx^(2)+4xy-y^(2)=0 exceeds the slope of the other by 8, then k=

If the area of the triangle formed by the lines 3x^(2)-2xy-8y^(2)=0 and the line 2x+y-k=0 is 5 sq.units then k=

The line 5x+y-1=0 coincides with one of the lines given by 5x^(2)+xy-kx-2y+2=0 , then the value of k is

If (1, k) is the point of intersection of the lines given by 2x^(2)+5xy+3y^(2)+6x+7y+4=0 , then k=

If 4x-3y+k=0 touches the ellipse 5x^(2)+9y^(2)=45 , then k is equal to