SOLUTION: Determine k so that the point (1,2) lies on the line kx+(k-1)y=13 Answer choices: A. 4 B. 5 C. -5 D. -4

Algebra ->  Equations -> SOLUTION: Determine k so that the point (1,2) lies on the line kx+(k-1)y=13 Answer choices: A. 4 B. 5 C. -5 D. -4       Log On


   

Question 795640: Determine k so that the point (1,2) lies on the line kx+(k-1)y=13
Answer choices: A. 4 B. 5 C. -5 D. -4
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Determine k so that the point (1,2) lies on the line kx+(k-1)y=13
Replace x and y with 1 and 2
1k + 2(k-1) = 13
1k + 2k - 2 = 13
3k = 13 + 2
3k = 15
k = 5
:
The equation then; 5x + 4y = 13