Question 342252
(-3, 2k) and (k,6). The slope = 1.
skope of line betweene 2 points (x1,y1) (x2,y2) 
= {{{ (y2-y1)/(x2-x1)}}}
Plug the value of the points
..
{{{ 1 = (6-2k)/(k-(-3))}}}
{{{1=(6-2k)/(k+3)}}}
k+3= 6-2k
2k+k=6-3
3k=3
divide by 3
k=1