SOLUTION: Determine the values of k such that the system of linear equations does not have a unique solution. (Enter your answers as a comma-separated list.) x + y +

Algebra.Com
Question 658850: Determine the values of k such that the system of linear equations does not have a unique solution. (Enter your answers as a comma-separated list.)


x
+
y
+
kz
=
9

x
+
ky
+
z
=
6

kx
+
y
+
z
=
5

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Add all three equations together. You'll get:
...........1
............2
.................3
________________________________



....when , then , and that will be if




which is , meaning there are , and therefore solutions if





RELATED QUESTIONS

Determine the values of k such that the system of linear equations does not have a unique (answered by ikleyn)
Determine the values of k such that the system of linear equations does not have a unique (answered by ikleyn)
For what value(s) of k, if any, will the system have no solution, a unique solution, and... (answered by ikleyn)
Write a matrix for a system of equations that does not have a unique solution. Why is... (answered by Edwin McCravy)
Find values of a, b, and c (if possible) such that the system of linear equations has a... (answered by ikleyn)
Find all values of k that ensure that the given equation has exactly one solution. (Enter (answered by ikleyn)
Q) Consider the system of linear equations x + 3y = 5 (answered by rothauserc)
8. Determine the values of k such that the system of linear equations is consistent... (answered by ikleyn)
Solve the system of linear equations. If a unique solution does not exist, state whether... (answered by amoresroy)