Question

Find the values of k such that the equations 2x+3y+11=0 and 6x+ky+33=0 represent coincident lines.

• A. 9
• B. 6
• C. 5
• D. 12

Answer 1

Answer:

A. 9

The equation will represent coincident lines when they have infinite number of solutions. 2/6 = 3/k = 11/33 1/3 = 3/k k=3x3=9