Question 853972: 1.Solve the linear equation : 2x+y-3z= 5,3 x-2y-2z= 5, and 5x-3y-z= 16.
a.(1 , 3 , -2 )
b.(1 , -3 , 2 )
c.(1 , -3 , -1 )
d.(1 , -3 , -2 )
2.Find z by the use of determinant : 3x-4y+2z+8=0, x+5y-3z+2=0, 5x+3y-z+6=0
a.6
b.7
c.3
d.5
3.Find x by the use of determinant : 3x-4y+2z+8=0, x+5y-3z+2=0, 5x+3y-z+6+0
a.3
b.5
c.2
d.-2
4.Two systems of linear equations involving the same variables are said to be _______ if they have the same solution set.
a.set
b.associative
c.equivalent
d.parallel
5.A + (B + C)= (A + B) + C
a.associative
b.scalar quantity
c.dot product
d.2
6. A + B = B + A
a.associative
b.m
c.commutative
d.m-n
Answer by Vladdroid(91)   (Show Source):
You can put this solution on YOUR website! When you ask a question, they say "One problem per submission. Do not dump your whole homework in one question." read it over and maybe split up your "question" into question'S. Not every one understands EVERY thing you just asked.
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