Question

Linear Algebra:

Which of the following statements is/are true?

A. The system
4x + 2y + 3z = -1
3x – y + 2z = -5
x + 2y – z = 8
has a unique solution

B. If the coefficient determinant of a linear system is 0, then system has no solution.

Option
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B

Answer 1

This isn't linear algebra.

Answer 2

FALSE ADVERTISING.

Answer 3

Linear refers to the biggest power being 1. This is the case. This is linear algebra. I don't quiet know what you're asking, but in those equations. x will have a value, y will have a value and so will z. If they are solved simultaneously.

Question B isn't clear to me.

Answer 4

solved A, yes only 1 solution. B, if det = 0, solution is undefined. Answer: 3

Answer 5

thanks for the answers. moriaw, can you please provide steps as to how you solved system A? I keep going in circles when trying to solve.