Question

Which of the following matrix equations correctly represents this system of equations?
http://i.imgur.com/Oo5GPnI.png
Answers
http://i.imgur.com/OBmeVWp.png

Answer 1

This question is very simple, you can just analyze the question and get the answer.

Answer 2

How?

Answer 3

x+3y is the same as 1x+3y

Answer 4

the matrix on the left side will be made up of the coefficients on the left side

Answer 5

the matrix on the right side will be made up of the numbers on the right side of each equation

Answer 6

Okay so itr would be b?

Answer 7

4x+5y = -9
1x + 3y = -4

Answer 8

the coefficients on the left side are

4 5
1 3

they form the matrix on the left side

Answer 9

so D?

Answer 10

correct