11. Which system of linear equations has the solution (2, 3)? A. 2x - 5y = 9 x-y = 4 C. 9x - 8y = 19 10x – 8y = 1 B. 4x - y = 5 x+y = 5 D. 10x = 20 x+ 8y = 1

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter1: Systems Of Linear Equations
Section1.1: Introduction To Systems Of Linear Equations
Problem 90E: Consider the system of linear equations in x and y. ax+by=ecx+dy=f Under what conditions will the...
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11. Which system of linear equations has the solution (2, 3)?
A. 2x - 5y = 9
x=y=4
C. 9x -8y = 19
10x -8y = 1
B. 4x-y=5
D. 10x = 20
x + y = 5
x + 8y = 1
12. Let A and B be matrices and let p and q be nonnegative integers. Then
(1). AP= A. AA (p factors)
(11). APA9 Apta
(111). (AP) 9 = Apu
(iv). (AB)* = APBP
Which of the following are always true?
C. i, ii, and iii
D. 1, 11, 111 and iv
A. i and iii only
B. ii and iv only
Transcribed Image Text:11. Which system of linear equations has the solution (2, 3)? A. 2x - 5y = 9 x=y=4 C. 9x -8y = 19 10x -8y = 1 B. 4x-y=5 D. 10x = 20 x + y = 5 x + 8y = 1 12. Let A and B be matrices and let p and q be nonnegative integers. Then (1). AP= A. AA (p factors) (11). APA9 Apta (111). (AP) 9 = Apu (iv). (AB)* = APBP Which of the following are always true? C. i, ii, and iii D. 1, 11, 111 and iv A. i and iii only B. ii and iv only
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