INTERMEDIATE ALG.-ALEKS 18 WEEKS
6th Edition
ISBN: 9781264120697
Author: Miller
Publisher: MCG
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Textbook Question
Chapter R, Problem 31RE
For Exercises 18-33, perform the indicated operations.
31.
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Students have asked these similar questions
Let matrix A have order (dimension) 2x4 and let matrix B have order (dimension) 4x4.
What results when you compute A+B?
The resulting matrix will have dimensions of 2x4.
○ The resulting matrix will be a single number (scalar).
The resulting matrix will have dimensions of 4x4.
A+B is undefined since matrix A and B do not have the same dimensions.
If
-1
"[a446]-[254]
4b
=
-1
, find the values of a and b.
○ There is no solution for a and b.
○ There are infinite solutions for a and b.
O a=3, b=3
O a=1, b=2
O a=2, b=1
O a=2, b=2
A student puts a 3x3 system of linear equations is into an augmented matrix. The student then correctly
puts the augmented matrix into row echelon form (REF), which yields the following resultant matrix:
-2
3
-0.5
10
0 0
0
-2
0 1 -4
Which of the following conclusions is mathematically supported by the work shown about system of linear
equations?
The 3x3 system of linear equations has no solution.
○ The 3x3 system of linear equations has infinite solutions.
The 3x3 system of linear equations has one unique solution.
Chapter R Solutions
INTERMEDIATE ALG.-ALEKS 18 WEEKS
Ch. R - Prob. 1RECh. R - Prob. 2RECh. R - For Exercises 2-3, answers may vary. 2. List three...Ch. R - For Exercises 4-9, write an expression in words...Ch. R - For Exercises 4-9, write an expression in words...Ch. R - For Exercises 4-9, write an expression in words...Ch. R - For Exercises 4-9, write an expression in words...Ch. R - For Exercises 4-9, write an expression in words...Ch. R - For Exercises 4-9, write an expression in words...Ch. R - For Exercises 10-12, graph each set and write the...
Ch. R - For Exercises 10-12, graph each set and write the...Ch. R - For Exercises 10-12, graph each set and write the...Ch. R - Prob. 13RECh. R - For Exercises 14-15, find the opposite,...Ch. R - Prob. 15RECh. R - Prob. 16RECh. R - For Exercises 16-17, simplify the exponents and...Ch. R - Prob. 18RECh. R - For Exercises 18-33, perform the indicated...Ch. R - For Exercises 18-33, perform the indicated...Ch. R - Prob. 21RECh. R - Prob. 22RECh. R - For Exercises 18-33, perform the indicated...Ch. R - Prob. 24RECh. R - For Exercises 18-33, perform the indicated...Ch. R - Prob. 26RECh. R - Prob. 27RECh. R - Prob. 28RECh. R - For Exercises 18-33, perform the indicated...Ch. R - Prob. 30RECh. R - For Exercises 18-33, perform the indicated...Ch. R - Prob. 32RECh. R - For Exercises 18-33, perform the indicated...Ch. R - Prob. 34RECh. R - Prob. 35RECh. R - Prob. 36RECh. R - For Exercises 36-39, apply the distributive...Ch. R - Prob. 38RECh. R - For Exercises 36-39, apply the distributive...Ch. R - Prob. 40RECh. R - Prob. 41RECh. R - Prob. 42RECh. R - Prob. 43RECh. R - For Exercises 44-45, answer may vary. 45. Write an...Ch. R - Prob. 45RECh. R - Prob. 1TCh. R - Write the opposite, reciprocal, and absolute value...Ch. R - Prob. 3TCh. R - Prob. 4TCh. R - Prob. 5TCh. R - For Exercises 5-6, graph the inequality and...Ch. R - For Exercises 7-8, write each English phrase as an...Ch. R - Prob. 8TCh. R - Prob. 9TCh. R - Prob. 10TCh. R - Prob. 11TCh. R - Prob. 12TCh. R - Prob. 13TCh. R - Prob. 14TCh. R - Prob. 15TCh. R - Prob. 16TCh. R - For Exercise 17-20, answer true or false. 17....Ch. R - Prob. 18TCh. R - Prob. 19TCh. R - For Exercise 17-20, answer true or false. 20....
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- Solve the following system of equations using matrices: -2x + 4y = 8 and 4x - 3y = 9 Note: This is the same system of equations referenced in Question 14. If a single solution exists, express your solution as an (x,y) coordinate point with no spaces. If there are infinite solutions write inf and if there are no solutions write ns in the box.arrow_forwardI need help explaining on this examplearrow_forwardConsider the table of values below. x y 2 64 3 48 4 36 5 27 Fill in the right side of the equation y= with an expression that makes each ordered pari (x,y) in the table a solution to the equation.arrow_forward
- solving for xarrow_forwardConsider the table of values below. x y 2 63 3 70 4 77 5 84 Fill in the right side of the equation y= with an expression that makes each ordered pari (x,y) in the table a solution to the equation.arrow_forwardThere were 426 books sold in one week. The number of biology books sold was 5 times that of the number of psychology books. How many books each were sold?arrow_forward
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- Use substitution to solve the equations -2x+5y=18 x=2y-8arrow_forward5) For each function represented by an equation, make a table and plot the corresponding points to sketch the graph of the function. (a) y = 75 ()* 220 X y 200- -2 180 160 -1 140 0 120 100 1 60 80 2 3 4 x (b) y = 20 ()* 1 60 40 20 20 0 2 3 65- -1 X y 60 -2 55- 50 45 44 40 0 35- 30 1 25 2 20 20 15 3 10 5 LO 4 3-2 T -1 0 5- 4- -3- 2-arrow_forwardA system of inequalities is shown. y 5 3 2 1 X -5 -4 -3 -2 -1 0 1 2 3 4 5 -1- Which system is represented in the graph? Oy>-x²-x+1 y 2x²+3 -2 -3 тarrow_forward
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