Suppose the solutions of a homogeneous system of twelve linear equations in thirteen unknowns are all multiples of one nonzero solution. Will the system necessarily have have a solution for every possible choice of constants on the right sides of the equations? Explain.

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Step-by-step explanation:

A non-homogeneous equation of the form Ax=b always has a solution IF:

The column space of Matrix A has equal "dimensions" and "column length".

Now,

Given, 12 equations and 13 unknown, so Matrix A can be:

Matrix A = 12 x 13

Hence, the column length = 12

Each column here is a vector in space  (vector space).

Now, we essentially need to figure out if the columns span the vector space of  .

The rank theorem is:

n is 13 so,

Hence,

Rank A = 12

Hence the dimension is 12 and columns span this.

Thus,

Thus the system always has a solution.

w'x is 0.

hope it

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x