SOLUTION: If the point (-3,1/2) lies on the graph of the equation 2x+ky=-11, find the value of k. a. -5/2 b. -34 c. -17/2 d. -10 e. none of the above i came across this and i dont r

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: If the point (-3,1/2) lies on the graph of the equation 2x+ky=-11, find the value of k. a. -5/2 b. -34 c. -17/2 d. -10 e. none of the above i came across this and i dont r      Log On


   

Question 387023: If the point (-3,1/2) lies on the graph of the equation 2x+ky=-11, find the value of k.
a. -5/2 b. -34 c. -17/2 d. -10 e. none of the above
i came across this and i dont remember??
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,         

2x + ky = -11  Using ordered pair Pt(-3,1/2) to solve for k

 2*-3 + k(1/2) = -11 

  -6 + k/2 = -11  Multiplying each term by 2 so as all denominators = 1

  -12 + k = -22

       k = -10

  y = (2/10)x + 11/10