Question

For what value of k , do the equations 2x - 3y + 10 = 0 and 3x + ky + 15 = 0 represent coincident lines​

Answer 1

Answer:

since, the equations are in coincident lines.

therefore 2x-3y+10=3x+ky+15

now, equating the equation

-3y=ky

k= -3