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,...
Related questions
Question
NO. 15 ONLY
![14.
Solve the system of inequalities by graphing the equations and shading the appropriate
region.
10
S(x + 1)² + (y + 2)2 < 25
У > Зх — 4
{*
+ ", 3x -4
8
6
4
2
-10 -8 -6-4
8 10
-2
2.
-2
4.
-6
-8
-10
15. Identify the size of each matrix.
1
2
10
25
-2
-4
3
9.
-1
2
8
-4
3
-6
7
10
-7
-8
10
1
-4
16.
Write the augmented matrix for the system. Do not solve.
x - 4y
= 18
2x + 3z = -4
4y - 7z = 10
17.
Write the system of equations corresponding to the augmented matrix.
(4 points)
3
2
26
0.
5
20
30
18.
Solve the system from #17 using backwards substitution.
O co
476](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffbe04b78-70d2-4581-a319-a9980394fd13%2F68d4f862-e437-4abf-89d7-0e48eb64511c%2Fldctpq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:14.
Solve the system of inequalities by graphing the equations and shading the appropriate
region.
10
S(x + 1)² + (y + 2)2 < 25
У > Зх — 4
{*
+ ", 3x -4
8
6
4
2
-10 -8 -6-4
8 10
-2
2.
-2
4.
-6
-8
-10
15. Identify the size of each matrix.
1
2
10
25
-2
-4
3
9.
-1
2
8
-4
3
-6
7
10
-7
-8
10
1
-4
16.
Write the augmented matrix for the system. Do not solve.
x - 4y
= 18
2x + 3z = -4
4y - 7z = 10
17.
Write the system of equations corresponding to the augmented matrix.
(4 points)
3
2
26
0.
5
20
30
18.
Solve the system from #17 using backwards substitution.
O co
476
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