FINITE MATH UNIT II 9
FiniteMath UNIT II 33 Multiple choice Questions
Q.8
9x+ y x + 2y 5x + y
8x+ 5y x + 4y5x + y
Q.9
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Materials 4.31 3.51
Labor 6.92 3.59
Q.10
2.544.44 6.219.09
1.76 2.87 4.676.98
0.960.77 0.61 0.58
Q.11
3 1 2 = 36
6 318 9
Q.12
22
2110
Q.13
Thesize of product AB would be 5 * 5 matrix
Q.14
8 6 5 =26
7 8 4 3
Q.15
5
58 43 = 5
441 19
Q.16
2 8
83 7 61=3106
27 51 943 36
Q.17
6
4 5 5 3= 26
2 1 9 7 – 48
Q.18
6 30
15
Q.19
AB= 1322
7 25
Q.20
3 6 5
895
Q.21
7 1 92
9 2 2 4
068 6
Q.22
X= 2
Y= 1
Z= 9
Q.23
1647
0 29 28 40
78 5 2
Q.24
10 06
0 3 04
0 0 56
Q.25
(4,14)
Q.26
Thereis no solution
Q.27
Thereis an infinite number of solutions
Q.28
Thesolution is (3, 1, 0)
Q.29
Thesolution is (2, 17, 12)
Q.30
Thereis an infinite number of solutions
Q.31
Aand B are inverses of each other
Q.32
A^{1}= 5/92/9
1/3 1/3
Q.33
Theinverse does not exist
Q.34
15/28 11/28 3/7
5/281/28 1/7
1/4 6/28 16/28
Q.35
Solution(68, 5)
Q.36
Thesolution is (8, 7)
Q.37
Thesolution is (63, 27)
Q.38
Thesystem has infinitely many solutions
Q.39
Thesolution is (2, 0, 0)
Q.40
Thereis no solution
Q.41
Theresulting matrix is 311

12
Q.42
Thesolution is 10 6 5 8
3 7310
References
Lial,M. L., Greenwell, R. N., & Ritchey, N. P. (2012). Finitemathematics (10th ed.).Boston, MA: Pearson Education.