Answer:
(d) -15
Step-by-step explanation:
Given system of equations are:
[tex] \begin{cases}kx-5y=2\\\\6x+2y=7\end{cases}[/tex]
Since, given system of equations have no solution.
[tex] \therefore \frac{k}{6}=\frac{-5}{2} \neq\frac{2}{7}[/tex]
[tex] \implies \frac{k}{6}=\frac{-5}{2} [/tex]
[tex] \implies k=\frac{6(-5)}{2} [/tex]
[tex] \implies k=\frac{-30}{2} [/tex]
[tex] \implies k=-15[/tex]
