Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.

Option (a) is correct.

The solution is (1, -1 , -4)

Step-by-step explanation:

Given:

A system of equation having 3 equations,

We have to solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations.  

 Consider  the given system

Write in matrix form as

⇒  AX = b

Writing in Augmented matrix form , [A | b]

Apply row operations to make A an identity  matrix.

Thus, We obtained an identity matrix

Thus, The solution is (1, -1 , -4)

f is the midpoint of

all the angles opposite to the angle 150 would be 150 and all the angles that are next to 150 are 30 because they equal 180 it you add it up.

step-by-step explanation: