Scalar and Matrix Multiplication Answers
33 verified answers
1
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Which of the following matrix multiplications are possible?
A
OptionB
OptionC
Option1
a =
Answer:
4
1
:
A
1 x 3B
3 x 3C
3 x 11
a =
Answer:
3
1
What are the values for matrix A?:
A
OptionB
OptionC
Option1
a1 = a2 = 58.5
Answer:
115.5
1
c11 = c12 = c13 =
Answer:
56.1
2
What is the size of the matrix resulting from each multiplication?
A
1 x 2B
2 x 2C
2 x 12
x
Answer:
2
2
b =
Answer:
3
2
a = b = c =
Answer:
1
2
b =
Answer:
0
2
a3 =
Answer:
-49.5
2
c11 = c12 = c13 =
Answer:
12.1
3
Question text not available
A
3 x 1B
3 x 3C
1 x 33
a = (1 × 1 + 0 × –1 + 1 × )
Answer:
3
3
a = b = c =
Answer:
-4
3
c =
Answer:
0
3
c11 = c12 = c13 =
Answer:
236
4
a = b = c =
Answer:
5
4
d =
Answer:
-2
4
d11 =
Answer:
-9
5
What are the coordinates of the reflected rectangle?
A
(0,0), (3,0), (0, –2)B
(0, 0), (0, 3), (–2, 0)C
(0, 0), (–3, 0), (–2, 0)D
(0, 0), (0, –3), (0, –2)5
d12 =
Answer:
-27
6
What is the calculation to find c?
A
(1)(1) + (0)(–1) + (1)(3)B
(1)(–2) + (0)(2) + (1)(4)C
(2)(1) + (–1)(–1) + (3)(3)D
(2)(–1) + (–1)(2) + (3)(4)6
The transformation was a reflection about the .
A
x-axisB
y-axisC
line y = xD
line y = –x6
d13 =
Answer:
-45
7
c =
Answer:
12
7
d21 =
Answer:
-57
8
d =
Answer:
8
8
d22 =
Answer:
-171
9
d23 =
Answer:
-285
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