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Help with math please??

0 votes
asked Jan 16, 2017 in ALGEBRA 2 by anonymous
reshown Jan 17, 2017 by goushi

3 Answers

0 votes

34)

Step 1:

The system of equations are

image

Solve by using matrices.

image

Write the equations into matrix form ,

Write the equations into matrix form , where is coefficient matrix,

is variable matrix and is constant matrix.

The augmented matrix is .

image

The augmented matrix is image

image

Solution:

The solutions of equations are image

35)

Step 1:

The system of equations are

image

Solve by using matrices.

image

Write the equations into matrix form ,

Write the equations into matrix form , where is coefficient matrix,

is variable matrix and is constant matrix.

The augmented matrix is .

image

The augmented matrix is image

 

image

Solution:

There is no solution of the equations.

answered Jan 17, 2017 by Anney Mentor
0 votes

36)

Step 1:

The system of equations are

image

Solve by using matrices.

image

Write the equations into matrix form ,

Write the equations into matrix form , where is coefficient matrix,

is variable matrix and is constant matrix.

The augmented matrix is .

image

The augmented matrix is image

image

Solution:

The solutions of the equations are image

37)

Step 1:

The system of equations are

image

Solve by using matrices.

image

Write the equations into matrix form ,

Write the equations into matrix form , where is coefficient matrix,

is variable matrix and is constant matrix.

The augmented matrix is .

image

The augmented matrix is image

image

Solution:

The solutions of the equations are image

answered Jan 17, 2017 by Anney Mentor
0 votes

41)

Step 1:

The system of equations are

image

Solve by using matrices.

image

Write the equations into matrix form ,

Write the equations into matrix form , where is coefficient matrix,

is variable matrix and is constant matrix.

The augmented matrix is .

image

The augmented matrix is image

 

image

Solution:

The solutions of the equations are image

42)

This question first option is correct answer.

answered Jan 17, 2017 by Anney Mentor

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