Guys Help, Im not sure if it's A or D

2. Use an augmented matrix to solve the system. What is the value of x and y?

x + y = 5
3x – y = –1 (1 point)
(1, 4)
(1, 5)
(3, –1)
(5, –1)

Question

Guys Help, Im not sure if it's A or D
 
2.   Use an augmented matrix to solve the system. What is the value of x and y?

  x + y = 5
3x – y = –1  (1 point)
(1, 4)
(1, 5)
(3, –1)
(5, –1)

anonymous · Answer

The answer is A,
Whenever you are confused or not sure, you can always try to put the values of x and y in the both equations and verify your ans.
A satisfies the both eqns but D doesn't!

anonymous · Answer

This is not the actual method, but its a trick to verify your ans or solve multiple choice questions.

anonymous · Answer

Omq thx so much you just saved my life and you dont even knw <3

anonymous · Answer

lol, life doesn't really depend on a ques :P
nyways i am glad! :)

aravindg · Answer

is this an objective question or subjective question?

anonymous · Answer

ahahaha no but it depends on my grade, which in return saves my life lol

aravindg · Answer

i asked this because the question asks to find values using matrix method