WorksheetsMartrix test
Total questions: 7
Worksheet time: 27mins
Name
Class
Date
1.
a)
π
b)
3π
c)
6π
d)
2π
2.
a)
3
b)
±6
c)
-2
d)
8
3.
If A is a square matrix such that A2=I then (A−I)3+(A+I)3−7 is equal to
a)
A
b)
I
c)
3A
d)
I-A
4.
The total number of possible matrices of order 3×3 with each entry 2 or 1 is
a)
27
b)
18
c)
81
d)
512
5.
If area of a triangle is 35 square units with vertices (2, - 6) , (5, 4) and (k,4), then k is
a)
12
b)
- 2
c)
- 12, - 2
d)
12, - 2
6.
The equation 3x−y+2z=3, 2x+y+3z=5, and x−2y−z=1 is
a)
Consistent
b)
Inconsistent
c)
Unique solution
d)
∣A∣=0
7.
Find λ if the system of equation 3x−2y+z=2, λx+y−3z=−5, 2y−x+z=6 whose ∣A∣=24
a)
2
b)
-5
c)
4
d)
1
100 %
