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3 votes
How can you represent the system of equations with a matrix?

11x - 12y = 7
5x + 12y = -7

User Gaius Parx
by
6.8k points

2 Answers

2 votes

Answer:

1. (5,0)

2. 20 of type A;20 of type B

3. no solution

4. -5

5.D

11 -12 7

5 12 -7

6. (-6,8)

100% right i gotchu bbs <3

User Grindking
by
6.6k points
2 votes
take the linear coefients easy

11,-12, 7
5,12,-7
so


\left[\begin{array}{ccc}11&amp;-12&amp;7\\5&amp;12&amp;-7\end{array}\right] or you could do also

\left[\begin{array}{ccc}11&amp;-12\\5&amp;12\end{array}\right] \left[\begin{array}{ccc}7\\-7\end{array}\right]
User Kane Chew
by
7.2k points