For each system below that is linear, determine whether it is consistent. (a) 3x₁ - x4 = 1 3x₁ + 3x₂ + x3 = 5x4 = (b) x₁ + 3x₂ = x3 + 6x4 -2

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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For each system below that is linear, determine whether it is consistent.
(a)
3x1 - x₁ = 1
3x₁ + 3x2 + x3 - 5x₁ = -2
(b)
x₁ + 3x2 = x3 + 6x4
Transcribed Image Text:For each system below that is linear, determine whether it is consistent. (a) 3x1 - x₁ = 1 3x₁ + 3x2 + x3 - 5x₁ = -2 (b) x₁ + 3x2 = x3 + 6x4
Which of the following 3 x 3 matrices are in row-echelon form? Note: Mark all of your choices.
0 [10
U
U
U
0
010
060
0
0 0
9
01
000
00
010
00
1
000
001
-7
1
0
E
-2-8
1 0
0
Transcribed Image Text:Which of the following 3 x 3 matrices are in row-echelon form? Note: Mark all of your choices. 0 [10 U U U 0 010 060 0 0 0 9 01 000 00 010 00 1 000 001 -7 1 0 E -2-8 1 0 0
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