19. 5 27 23. 8 11 21. [2x y-y] = [-10 3x 15] [*+ 3] - [2 0 2y-x] y 6 4- 2x 5x-3y 25. Find the values of x, y, and z for r3 26. Solve 20. 22. -16 24. 4x-3y x+y 1- y ³[* * 7,2 3z 12 2 12y 6 2x+8z 13 x²+1 5-Y x+yy 6x 10 x A-13² -2 [1 + 5*-]-[- 3y 8 Use matrices A, B, C, D, E, and F to find each of the following. If the m [15/3x+5] 2 x 5 2 for w, x, y, and z.
19. 5 27 23. 8 11 21. [2x y-y] = [-10 3x 15] [*+ 3] - [2 0 2y-x] y 6 4- 2x 5x-3y 25. Find the values of x, y, and z for r3 26. Solve 20. 22. -16 24. 4x-3y x+y 1- y ³[* * 7,2 3z 12 2 12y 6 2x+8z 13 x²+1 5-Y x+yy 6x 10 x A-13² -2 [1 + 5*-]-[- 3y 8 Use matrices A, B, C, D, E, and F to find each of the following. If the m [15/3x+5] 2 x 5 2 for w, x, y, and z.
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
21,23,25
![21.9 million people. A telecommunications company reaches 88.9
by spending a whopping $154.9 million. Use a matrix to represent t
EXERCISES
Find the values of x and y for which each matrix equation is true.
2x
15.
5. [x]-[²x = 1
16. [9 13] [x + 2y 4x + 1]
y
17.
4x
- [15 +2+]
27
9. [²7] - [5x -3x]
21. [2x y
23.
x + y
25. Find the values of x, y, and z for 3
3x
26. Solve -
-y] = [-10 3x 15]
A=
-2 [₁
ers to back of book
0 2y-x]
4- 2x]
w+5 x-.
3y
5 7
-6 1
Page
3]-[
=
B=
-1-
E=
-16
3 5
-1 8
8 -4
1
8
18. [x y] [2y 2x - 6]
20.
22.
-5
24.
y
6 2x + 8z
Use matrices A, B, C, D, E, and F to find each of the following. If the matrix
not exist, write impossible.
c-[8
C=
5
9
4x
of 71
3z
12
2
12y
6x
11
x²+1 5-y
x+y y-A
H
F=
ac
15
6z 3x +
for w, x, y, and z.
-2
4
3
-1
1
-6 -1
0
0
25
0 1
3
4
D= -2
4
ZOOM +](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb805b29b-1703-42be-83a9-c544ba7b8f1b%2F308a17ed-3990-4324-8e76-b1d15d0c8f61%2Fzd61ivl_processed.png&w=3840&q=75)
Transcribed Image Text:21.9 million people. A telecommunications company reaches 88.9
by spending a whopping $154.9 million. Use a matrix to represent t
EXERCISES
Find the values of x and y for which each matrix equation is true.
2x
15.
5. [x]-[²x = 1
16. [9 13] [x + 2y 4x + 1]
y
17.
4x
- [15 +2+]
27
9. [²7] - [5x -3x]
21. [2x y
23.
x + y
25. Find the values of x, y, and z for 3
3x
26. Solve -
-y] = [-10 3x 15]
A=
-2 [₁
ers to back of book
0 2y-x]
4- 2x]
w+5 x-.
3y
5 7
-6 1
Page
3]-[
=
B=
-1-
E=
-16
3 5
-1 8
8 -4
1
8
18. [x y] [2y 2x - 6]
20.
22.
-5
24.
y
6 2x + 8z
Use matrices A, B, C, D, E, and F to find each of the following. If the matrix
not exist, write impossible.
c-[8
C=
5
9
4x
of 71
3z
12
2
12y
6x
11
x²+1 5-y
x+y y-A
H
F=
ac
15
6z 3x +
for w, x, y, and z.
-2
4
3
-1
1
-6 -1
0
0
25
0 1
3
4
D= -2
4
ZOOM +
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