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10. Given: 3x - 4y = 8 and kx-20y=25. What must be the value of k such that the given system is consistent? A. real number C. negative real number B. real number except 15 D. real number except -15 and 15

10. Given: 3x - 4y = 8 and kx-20y=25. What must be the value of k such that the given system is consistent? A. real number C. negative real number B. real number except 15 D. real number except -15 and 15

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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10,11 12 PLS

10. Given: 3x - 4y = 8 and kx-20y = 25. What must be the value of k such that the given system is consistent? A. real number C. negative real number B. real number except 15 D. real number except -15 and 15 11. Which system of linear equations has the solution (2, 3)? A. 2x-5y=9 C. 9x-8y = 19 10x-8y = 1 x-y=4 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). APA-AA (p factors) (11). APA9= Apta (111). (AP) *= AP4 (iv). (AB) = APB Which of the following are always true? C. i, ii, and i D. i, ii, iii and iv A. i and iii only B. ii and iv only
Transcribed Image Text:10. Given: 3x - 4y = 8 and kx-20y = 25. What must be the value of k such that the given system is consistent? A. real number C. negative real number B. real number except 15 D. real number except -15 and 15 11. Which system of linear equations has the solution (2, 3)? A. 2x-5y=9 C. 9x-8y = 19 10x-8y = 1 x-y=4 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). APA-AA (p factors) (11). APA9= Apta (111). (AP) *= AP4 (iv). (AB) = APB Which of the following are always true? C. i, ii, and i D. i, ii, iii and iv A. i and iii only B. ii and iv only
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