If the given matrix is invertible, find its inverse.4 0 0A= 0 9 00 0 2Select the correct choice below and, if necessary, fill in the answer box to complete your choice.O A. A-1=(Simplify your answers.)%3DB. The matrix is not invertible. Solve the following system by the method of reduction.4x- 16z = 44x- 2y - 2z = 17X+ y- 2z = 24x + у+Z= 5Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.OA.y =Z=(Type integers or fractions.)O B. x=r, y=(Type integers or fractions.)O C. There is no solution.

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Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter9: Systems Of Linear Equations

Section9.7: Puzzle Problems

Problem 17P

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Question

If the given matrix is invertible, find its inverse.
4 0 0
A= 0 9 0
0 0 2
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. A-1=
(Simplify your answers.)
%3D
B. The matrix is not invertible.

Solve the following system by the method of reduction.
4x
- 16z = 44
x- 2y - 2z = 17
X+ y- 2z = 2
4x + у+
Z= 5
Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
OA.
y =
Z=
(Type integers or fractions.)
O B. x=r, y=
(Type integers or fractions.)
O C. There is no solution.

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