Question 796010
A point is (x,y).  Plug in each choice to see if it works.<P>
A. (0,0)  0 + 2*0 =  0 which is not -5:  no.<P>
B.  (2,-1)  2+2*(-1) = 0 which is not -5:  no.<P>
C.  (-2,1)  -2+2(1) = 0 which is not -5:  no<P>
The answer must be D.  <P>
Checking -1 + 2(-2) = -5:  yes!