Question

The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.

Answer 1

c, i got it right on edg

Answer 2

option-C

Explanation:

We are given row-echelon form

So, we can write equation from matrix as

`x-5z=-3`

`y-4z=-5`

Let's assume

`z=t`

now, we can find x and y

`x-5t=-3`

`x=5t-3`

`y-4t=-5`

`y=4t-5`

so, we get solutions as

`x=5t-3`

`y=4t-5`

`z=t`

where t can be any real numbers