WorksheetsAMDM- Quiz-Matrices
Total questions: 21
Worksheet time: 47mins
Name
Class
Date
1.
Subtract
a)
-5
-8
3
10
-8
3
10
b)
-9
8
3
2
8
3
2
c)
5
-8
3
10
-8
3
10
d)
-5
8
3
2
8
3
2
2.
Find A+B
a)
8 10
8 1
8 1
b)
12 25
7 1
7 1
c)
10 30
0 1
0 1
d)
can't add two together because the rows dont match columns
3.
Find B-A
a)
-3 1
7 -1
7 -1
b)
1 0
1 -4
1 -4
c)
-4 0
6 -1
6 -1
d)
not possible because rows do not match columns
4.
In Matrix R (pictured) what element is in the second row, third column?
a)
8
b)
9.01
c)
6
d)
1
5.
What comes first in the order?
a)
Row
b)
Column
6.
What is the name of each entry of a matrix?
a)
Row
b)
Element
c)
Dimension
d)
Rectangle
7.
How many rows are in a 7 x 3 matrix?
a)
7
b)
3
c)
21
d)
10
8.
How many columns are in a 5 x 4 matrix?
a)
5
b)
4
c)
20
d)
9
9.
What must be true in order to ADD two matrices?
a)
They must be square.
b)
The dimensions must be equal.
c)
The determinant can't equal 0.
d)
The column of the 1st must equal the row of the 2nd.
10.
In Matrix R (pictured) what is the value of element R3,2
a)
8
b)
9.01
c)
6
d)
1
11.
Dimensions?
a)
a
b)
b
c)
c
d)
d
12.
Element Address?
a)
a
b)
b
c)
c
d)
d
13.
find: B*A
a)
47 30
9 5
9 5
b)
17 15
42 35
42 35
c)
10 25
7 1
7 1
d)
not possible because rows do not match columns
14.
You can multiply a 2X3 matrix by which matrix?
a)
2X2
b)
2X12
c)
3X12
d)
2X3
15.
Multiply
a)
20 15 -10
30 -5 0
30 -5 0
b)
-20 15 -10
30 -5 0
30 -5 0
c)
1 8 3
11 4 5
11 4 5
d)
20 -15 10
-30 5 0
-30 5 0
16.
What are the dimensions of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
17.
Find the determinant's value
a)
-18
b)
-23
c)
-2
d)
2
18.
What's Lil Wayne's real name?
a)
Michael J. Fox
b)
Cameron Jibril Thomaz
c)
Tauheed Epps
d)
Dwayne Michael Carter, Jr.
19.
who is this?
a)
asap ferg
b)
kodak white
c)
kodak black
d)
lil wayne
20.
What is his real name?
a)
Ice Cube
b)
Easy-E
c)
O'shea Jackson Sr.
d)
Eric wright
21.
What is his real name?
a)
Cordozar Calvin Broadus, Jr.,
b)
Snoop dogg
c)
Snoop lion
d)
Cordozer Calvin Broadus Sr.
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