2 algebra questions

Anonymous
timer Asked: Dec 22nd, 2017
account_balance_wallet $5

Question description

since i have to fill up the minimum 100 characters even though the questions arent that complex ill just write a summary! :)


  • Write and use systems of linear equations to solve problems
  • Solve systems of linear equations using graphs, tables of values, substitution, elimination, and matrices
  • Use linear programming to solve real-world problems such as ones concerned with maximizing profit or minimizing cost
  • Solve systems of linear inequalities by graphing, including absolute value inequalities

questions below

2 algebra questions
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2 algebra questions
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Tutor Answer

jesusale932
School: Duke University

Here is my answer :)

Algebra questions
1. Solve the system using an augmented matrix. Show all work.

(

)

We make the pivot in the first column multiplying it by -1
(

)

We eliminate the first column multiplying by 2 and adding it two the second row
(

)

We make the pivot in the second row dividing it by -12
(

)

Now we eliminate second column, multiplying the second row by 3 and adding it to first row
(

)

So the answers are
x=2
y= 5

2. What is the solution to the following system of equations?

If we use augmented matrix
(

)

We make the pivot in the first column dividin...

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Review

Anonymous
Top quality work from this guy! I'll be back!

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