Matrix and Vector Quiz
Authored by Natalia sinaga22
Mathematics
1st Grade
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53 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Given matrix A=(23−14) and B=(0−2 51), what is matrix C=A+B?
(21 45)
(21 −65)
(25 45)
(21 43)
(21 65)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If P=(−34 10) and Q=(2−1 −53), what is matrix P−Q?
(−55 6 −3)
(−13 −43)
(1 −3 −43)
(−55 −43)
(−53 6 −3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given matrix X=(−10 23), what is the result of 3X?
(−30 69)
(−10 69)
(−30 23)
(−30 29)
(−30 63)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the multiplication of matrices (13 24)(57 68)?
(1943 2250)
(521 1232)
(1922 4350)
(1950 2243)
(521 632)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If matrix A=(23 12) and B=(1−1 04), what is AB?
(11 48)
(1−3 08)
(2−3 08)
(21 48)
(18 41)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given matrix K=(x3 24) and L=(10 01). If KL=LK, what is the value of x?
1
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the determinant of matrix (3−1 24)?
10
12
14
16
18
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