1. For which values of a will the following system have (a): no solution, (b): Unique solution, (c): Infinitely many solutions? x + 2y- 3z = 4 Зх — у+ 5z = 2 4т + у+(а? — 14)х —D а +2

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.2: The Substitution Method
Problem 32WE
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U. For which values of a will the following system have (a): no solution,
(b): Unique solution, (c): Infinitely many solutions?
3z = 4
5z = 2
4x + y+(a² – 14)z = a +2
x + 2y-
3x – y+
2. Solve the following system of equations for the unknowns a, ß and y
where 0 <a < 2m, 0 < B < 2n and 0 < a <n
2 sin a – cos 3 +3 tan y = 3
4 sin a + 2 cos 3 – 2 tan y = 2
6 sin a – 3 cos B + tan y = 9
Transcribed Image Text:U. For which values of a will the following system have (a): no solution, (b): Unique solution, (c): Infinitely many solutions? 3z = 4 5z = 2 4x + y+(a² – 14)z = a +2 x + 2y- 3x – y+ 2. Solve the following system of equations for the unknowns a, ß and y where 0 <a < 2m, 0 < B < 2n and 0 < a <n 2 sin a – cos 3 +3 tan y = 3 4 sin a + 2 cos 3 – 2 tan y = 2 6 sin a – 3 cos B + tan y = 9
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