Jim is trying to solve the system of equations. He begins by multiplying equation (1) by D and equation (2) by A. Before he can continue, his friend Angela comes by and says, "No, you should have multiplied equation (1) by E and equation (2) by B. You're going to get the wrong answer."

Is Angela right? Why or why not?

Question

Jim is trying to solve the system of equations. He begins by multiplying equation (1) by D and equation (2) by A. Before he can continue, his friend Angela comes by and says, "No, you should have multiplied equation (1) by E and equation (2) by B. You're going to get the wrong answer."

 Is Angela right? Why or why not?

anonymous · Answer

A)
  Yes; Jim's way will make both variables disappear, resulting in no solution.   

 
  
B)
  No; Jim is using elimination, Angela is using substitution. Both ways will work.   
Eliminate   
 
  
C)
  No; Jim is trying to eliminate x, while she is trying to eliminate y. Both ways will work.   

 
  
D)
  Yes; Jim should have multiplied both equations by the same number. Now his answer will be wrong.   

here are the answer choices

amorfide · Answer

I think we need the equations and stuff to know who is right or wrong