GRAPHS, FUR1 2005 VCAA 4 MC If the line above has equation `3x + 2y = 4k`, then the value of `k` must be A. 2 B. 3 C. 6 D. 8 E. 12 Show Answers Only `C` Show Worked Solution `3x + 2y = 4k \ \ \ …\ text{(i)}` `text(From the graph,)\ (0, 12)\ text(and)\ (8, 0)` `text(passes through this line)` `text(Sub)\ (0, 12)\ text(into)\ text{(i)}` `3(0) + 2(12)` `= 4k` `24` `= 4k` `k` `= 6` `=> C`