Question

If the graph of $2x+ky=5$, passes through the point $(-2,1)$, Find $k$.

Answer 1

Here $,$ $x=-2$ and $y=1$

$2x+ky=5$

$2(-2)+k\left(1\right)=5$

$-4+k=5$

$k=5+4$

$k=9.$

Hence, this is the answer.