Intermediate Algebra: Math 1075
Intermediate Algebra: Math 1075
4th Edition
ISBN: 9781259541650
Author: O'Neill & Hyde Miller
Publisher: McGraw Hill
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Chapter A1, Problem 58PE

For Exercises 49-58, solve the system by using Cramer’s rule, if possible. Otherwise, use another method. If a system does not have a unique solution, determine the number of solutions and whether the system is inconsistent or the equations are dependent. (See Example 8.)

58. 8 x + y + z = 6 2 x y + z = 3 3 x z = 0

Example 8

Analyzing a Dependent System of Equations Solve the system by using Cramer’s rule if possible. 2 x 3 y = 6 6 x + 9 y = 18

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Use the graph to solve 3x2-3x-8=0
Într-un bloc sunt apartamente cu 2 camere și apartamente cu 3 camere , în total 20 de apartamente și 45 de camere.Calculați câte apartamente sunt cu 2 camere și câte apartamente sunt cu 3 camere.
1.2.19. Let and s be natural numbers. Let G be the simple graph with vertex set Vo... V„−1 such that v; ↔ v; if and only if |ji| Є (r,s). Prove that S has exactly k components, where k is the greatest common divisor of {n, r,s}.

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Intermediate Algebra: Math 1075

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