Pearson eText for Finite Mathematics with Applications In the Management, Natural, and Social Sciences -- Instant Access (Pearson+)
12th Edition
ISBN: 9780137554874
Author: Margaret Lial, Tom Hungerford
Publisher: PEARSON+
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Chapter P, Problem 11PST
To determine
To find:
The new sale price of the sweater.
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find the value of each variable
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
2. Find a matrix A with the following qualities
a. A is 3 x 3.
b. The matrix A is not lower triangular and is not upper triangular.
c. At least one value in each row is not a 1, 2,-1, -2, or 0
d. A is invertible.
Chapter P Solutions
Pearson eText for Finite Mathematics with Applications In the Management, Natural, and Social Sciences -- Instant Access (Pearson+)
Ch. P - Find the most simplified answer for the given...Ch. P - Find the most simplified answer for the given...Ch. P - Find the most simplified answer for the given...Ch. P - Simplify the given expression, keeping in mind the...Ch. P - Simplify the given expression, keeping in mind the...Ch. P - Indicate whether each of the statements is true or...Ch. P - Prob. 7PSTCh. P - Prob. 8PSTCh. P - Prob. 9PSTCh. P - Prob. 10PST
Ch. P - Prob. 11PSTCh. P - Given the following rectangular coordinate system,...Ch. P - Given the following rectangular coordinate system,...Ch. P - Round the following values as indicated: a 4.27659...Ch. P - Prob. 15PSTCh. P - Prob. 16PSTCh. P - Prob. 17PSTCh. P - Answer the following. If there is no solution,...Ch. P - Prob. 19PSTCh. P - Which number is greater, 9 or 900?
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