WorksheetsLinear Algebra-Unit I
Total questions: 5
Worksheet time: 4mins
Name
Class
Date
1.
If y1=y2 = ⋅⋅⋅⋅ = yn = 0, then the system is
a)
Equivalent
b)
Solution
c)
Homogeneous
d)
Number
2.
Equivalent system of linear equations have exactly
a)
no solution
b)
one solution
c)
same solution
d)
multiple solution
3.
After a finite sequence of elementary row operations we get
a)
row-equivalent matrix
b)
row-reduced matrix
c)
equivalent matrix
d)
non equivalent matrices
4.
Identity matrix is an example of
a)
equivalent matrix
b)
row reduced matrix
c)
row reduced echelon matrix
d)
reduced matrix
5.
Trivial example for row-reduced echelon matrices
a)
Identity matrix
b)
Zero matrix
c)
Identity and zero matrices
d)
neither identity nor zero matrix
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