Consider the following linear equations : -8x + 4y + 3z = -4 -8x + (18 – k)y+ 2z = -2 --8x + 4y + (7 – k)z = k + 2 a) X1 Suppose the above equation is expressed as Ax = b with x = X2 Express the X3 coeffieints of the equations in one matrix form as (A|b )= -8 4 -4 -8 -8

Calculus: Early Transcendentals
8th Edition
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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Consider the following linear equations :
-8x + 4y + 3z
= -4
-8x + (18 – k)y + 2z
-2
-8x + 4y + (7 – k)z
= k + 2
a)
X1
Suppose the above equation is expressed as Ax
b with x =
X2 |. Express the
X3
coeffieints of the equations in one matrix form as ( A|b )=
-8
4
3
-4
-8
-8
Transcribed Image Text:Consider the following linear equations : -8x + 4y + 3z = -4 -8x + (18 – k)y + 2z -2 -8x + 4y + (7 – k)z = k + 2 a) X1 Suppose the above equation is expressed as Ax b with x = X2 |. Express the X3 coeffieints of the equations in one matrix form as ( A|b )= -8 4 3 -4 -8 -8
b)
Use row operations on ( A|b) by substracting row 1 from row 2 and row 3
respectively. Fill in the missing entries:
-8
4
3
-4
c)
If the equations have no solution, determine the value of k =
Transcribed Image Text:b) Use row operations on ( A|b) by substracting row 1 from row 2 and row 3 respectively. Fill in the missing entries: -8 4 3 -4 c) If the equations have no solution, determine the value of k =
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