Finite Mathematics (11th Edition)
11th Edition
ISBN: 9780321979438
Author: Margaret L. Lial, Raymond N. Greenwell, Nathan P. Ritchey
Publisher: PEARSON
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Textbook Question
Chapter R.1, Problem 22E
Perform the indicated operations.
(x - l)(x + 2)(x - 3)
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1) a) Find a matrix P such that PT AP orthogonally diagonalizes the following matrix
A.
= [{² 1]
A =
b) Verify that PT AP gives the correct diagonal form.
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2) Given the following matrices A =
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and B =
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1
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find the following matrices:
a) (AB) b) (BA)T
3) Find the inverse of the following matrix A using Gauss-Jordan elimination or
adjoint of the matrix and check the correctness of your answer (Hint: AA¯¹ = I).
[1 1 1
A = 3 5 4
L3 6 5
4) Solve the following system of linear equations using any one of Cramer's Rule,
Gaussian Elimination, Gauss-Jordan Elimination or Inverse Matrix methods and
check the correctness of your answer.
4x-y-z=1
2x + 2y + 3z = 10
5x-2y-2z = -1
5) a) Describe the zero vector and the additive inverse of a vector in the vector
space, M3,3.
b) Determine if the following set S is a subspace of M3,3 with the standard
operations. Show all appropriate supporting work.
13) Let U = {j, k, l, m, n, o, p} be the universal set. Let V = {m, o,p), W = {l,o, k}, and X = {j,k). List the elements of
the following sets and the cardinal number of each set.
a) W° and n(W)
b) (VUW) and n((V U W)')
c) VUWUX and n(V U W UX)
d) vnWnX and n(V WnX)
9) Use the Venn Diagram given below to determine the number elements in each of the following sets.
a) n(A).
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Chapter R Solutions
Finite Mathematics (11th Edition)
Ch. R.1 - Perform the indicated operations. (2x2 - 6x + 11)...Ch. R.1 - Perform the indicated operation (-4y2 - 3y + 8) -...Ch. R.1 - Perform the indicated operations. -6(2q2 + 4q - 3)...Ch. R.1 - Perform the indicated operations. 2(3r2 + 4r + 2)...Ch. R.1 - Perform the indicated operations. (0.613x2 -...Ch. R.1 - Perform the indicated operations. 0.5(5r2 + 3.2r -...Ch. R.1 - Perform the indicated operations. -9m(2m2 + 3m -...Ch. R.1 - Perform the indicated operations. 6x(-2x3 + 5x +...Ch. R.1 - Perform the indicated operutions. (3t - 2y)(3t +...Ch. R.1 - Perform the indicated Operations. (9k + q)(2k - q)
Ch. R.1 - Perform the indicated operations. (2 - 3x)(2 + 3x)Ch. R.1 - Perform the indicated operations. (6m + 5)(6m - 5)Ch. R.1 - Perform the indicated operations....Ch. R.1 - Perform the indicated operations....Ch. R.1 - Perform the indicated operations. (3p - 1)(9p2 +...Ch. R.1 - Perform the indicated operations. (3p+ 2)(5p2 + p...Ch. R.1 - Perform the indicated operations. (2m + 1 )(4m2 -...Ch. R.1 - Perform the indicated operations. (k + 2)(12k3 -...Ch. R.1 - Perform the indicated operations. (x + y + z)(3x -...Ch. R.1 - Perform the indicated operations. (r + 2s - 3t)(2r...Ch. R.1 - Perform the indicated operations. (x + 1)(x + 2)(x...Ch. R.1 - Perform the indicated operations. (x - l)(x + 2)(x...Ch. R.1 - Perform the indicated operations. (x + 2)2Ch. R.1 - Perform the indicated operations. (2a - 4b)2Ch. R.1 - Perform the indicated operations. (x - 2y)3Ch. R.1 - Perform the indicated operations. (3x + y)3Ch. R.2 - Factor each polynomial. If a polynomial cannot be...Ch. R.2 - Prob. 2ECh. R.2 - Factor each polynomial. If a polynomial cannot be...Ch. R.2 - Prob. 4ECh. R.2 - Prob. 5ECh. R.2 - Prob. 6ECh. R.2 - Prob. 7ECh. R.2 - Prob. 8ECh. R.2 - Prob. 9ECh. R.2 - Factor each polynomial. If a polynomial cannot be...Ch. R.2 - Prob. 11ECh. R.2 - Prob. 12ECh. R.2 - Prob. 13ECh. R.2 - Prob. 14ECh. R.2 - Prob. 15ECh. R.2 - Prob. 16ECh. R.2 - Prob. 17ECh. R.2 - Prob. 18ECh. R.2 - Prob. 19ECh. R.2 - Prob. 20ECh. R.2 - Prob. 21ECh. R.2 - Prob. 22ECh. R.2 - Prob. 23ECh. R.2 - Prob. 24ECh. R.2 - Prob. 25ECh. R.2 - Prob. 26ECh. R.2 - Prob. 27ECh. R.2 - Prob. 28ECh. R.2 - Prob. 29ECh. R.2 - Prob. 30ECh. R.2 - Prob. 31ECh. R.2 - Prob. 32ECh. R.3 - Write each rational expression in lowest terms....Ch. R.3 - Write each rational expression in lowest terms....Ch. R.3 - Prob. 3ECh. R.3 - Prob. 4ECh. R.3 - Prob. 5ECh. R.3 - Prob. 6ECh. R.3 - Prob. 7ECh. R.3 - Prob. 8ECh. R.3 - Prob. 9ECh. R.3 - Write each rational expression in lowest terms....Ch. R.3 - Prob. 11ECh. R.3 - Prob. 12ECh. R.3 - Prob. 13ECh. R.3 - Prob. 14ECh. R.3 - Prob. 15ECh. R.3 - Prob. 16ECh. R.3 - Prob. 17ECh. R.3 - Prob. 18ECh. R.3 - Prob. 19ECh. R.3 - Prob. 20ECh. R.3 - Prob. 21ECh. R.3 - Prob. 22ECh. R.3 - Prob. 23ECh. R.3 - Prob. 24ECh. R.3 - Prob. 25ECh. R.3 - Prob. 26ECh. R.3 - Prob. 27ECh. R.3 - Prob. 28ECh. R.3 - Prob. 29ECh. R.3 - Prob. 30ECh. R.3 - Prob. 31ECh. R.3 - Prob. 32ECh. R.3 - Prob. 33ECh. R.3 - Prob. 34ECh. R.3 - Prob. 35ECh. R.3 - Prob. 36ECh. R.3 - Prob. 37ECh. R.3 - Perform the indicated operations....Ch. R.4 - Solve each equation. 2x + 8 = x 4Ch. R.4 - Solve each equation. 5x + 2 = 8 3xCh. R.4 - Prob. 3ECh. R.4 - Prob. 4ECh. R.4 - Prob. 5ECh. R.4 - Prob. 6ECh. R.4 - Prob. 7ECh. R.4 - Prob. 8ECh. R.4 - Prob. 9ECh. R.4 - Solve each equation by factoring or by using the...Ch. R.4 - Prob. 11ECh. R.4 - Prob. 12ECh. R.4 - Prob. 13ECh. R.4 - Prob. 14ECh. R.4 - Solve each equation by factoring or by using the...Ch. R.4 - Prob. 16ECh. R.4 - Prob. 17ECh. R.4 - Prob. 18ECh. R.4 - Prob. 19ECh. R.4 - Prob. 20ECh. R.4 - Solve each equation by factoring or by using the...Ch. R.4 - Prob. 22ECh. R.4 - Prob. 23ECh. R.4 - Prob. 24ECh. R.4 - Prob. 25ECh. R.4 - Solve each equation by factoring or by using the...Ch. R.4 - Solve each equation. 3x27=x+25Ch. R.4 - Prob. 28ECh. R.4 - Solve each equation. 4x382x+5+3x3=0Ch. R.4 - Prob. 30ECh. R.4 - Solve each equation. 2mm26m=12m22mCh. R.4 - Prob. 32ECh. R.4 - Prob. 33ECh. R.4 - Prob. 34ECh. R.4 - Prob. 35ECh. R.4 - Prob. 36ECh. R.4 - Prob. 37ECh. R.5 - Write each expression in interval notation. Graph...Ch. R.5 - Prob. 2ECh. R.5 - Write each expression in interval notation. Graph...Ch. R.5 - Prob. 4ECh. R.5 - Write each expression in interval notation. Graph...Ch. R.5 - Prob. 6ECh. R.5 - Prob. 7ECh. R.5 - Prob. 8ECh. R.5 - Prob. 9ECh. R.5 - Prob. 10ECh. R.5 - Prob. 11ECh. R.5 - Using the variable x, write each interval as an...Ch. R.5 - Using the variable x, write each interval as an...Ch. R.5 - Prob. 14ECh. R.5 - Prob. 15ECh. R.5 - Prob. 16ECh. R.5 - Prob. 17ECh. R.5 - Prob. 18ECh. R.5 - Prob. 19ECh. R.5 - Prob. 20ECh. R.5 - Prob. 21ECh. R.5 - Prob. 22ECh. R.5 - Prob. 23ECh. R.5 - Prob. 24ECh. R.5 - Prob. 25ECh. R.5 - Prob. 26ECh. R.5 - Prob. 27ECh. R.5 - Prob. 28ECh. R.5 - Prob. 29ECh. R.5 - Prob. 30ECh. R.5 - Prob. 31ECh. R.5 - Prob. 32ECh. R.5 - Prob. 33ECh. R.5 - Prob. 34ECh. R.5 - Prob. 35ECh. R.5 - Solve each inequality. Graph each solution. 3a2 +...Ch. R.5 - Prob. 37ECh. R.5 - Solve each inequality. Graph each solution. p2 ...Ch. R.5 - Prob. 39ECh. R.5 - Prob. 40ECh. R.5 - Prob. 41ECh. R.5 - Prob. 42ECh. R.5 - Solve each inequality. m3m+50Ch. R.5 - Solve each inequality. r+1r10Ch. R.5 - Prob. 45ECh. R.5 - Prob. 46ECh. R.5 - Prob. 47ECh. R.5 - Prob. 48ECh. R.5 - Prob. 49ECh. R.5 - Prob. 50ECh. R.5 - Prob. 51ECh. R.5 - Prob. 52ECh. R.5 - Solve each inequality. z2+zz213Ch. R.5 - Solve each inequality. a2+2aa242Ch. R.6 - Evaluate each expression. Write all answers...Ch. R.6 - Prob. 2ECh. R.6 - Prob. 3ECh. R.6 - Prob. 4ECh. R.6 - Prob. 5ECh. R.6 - Prob. 6ECh. R.6 - Prob. 7ECh. R.6 - Prob. 8ECh. R.6 - Prob. 9ECh. R.6 - Prob. 10ECh. R.6 - Prob. 11ECh. R.6 - Prob. 12ECh. R.6 - Prob. 13ECh. R.6 - Prob. 14ECh. R.6 - Prob. 15ECh. R.6 - Prob. 16ECh. R.6 - Prob. 17ECh. R.6 - Prob. 18ECh. R.6 - Prob. 19ECh. R.6 - Prob. 20ECh. R.6 - Prob. 21ECh. R.6 - Prob. 22ECh. R.6 - Prob. 23ECh. R.6 - Prob. 24ECh. R.6 - Simplify each expression, writing the answer as a...Ch. R.6 - Prob. 26ECh. R.6 - Write each number without exponent. 1211/2Ch. R.6 - Prob. 28ECh. R.6 - Prob. 29ECh. R.6 - Write each number without exponent. -1252/3Ch. R.6 - Prob. 31ECh. R.6 - Prob. 32ECh. R.6 - Prob. 33ECh. R.6 - Prob. 34ECh. R.6 - Prob. 35ECh. R.6 - Prob. 36ECh. R.6 - Simplify each expression. Write all answers with...Ch. R.6 - Prob. 38ECh. R.6 - Prob. 39ECh. R.6 - Prob. 40ECh. R.6 - Prob. 41ECh. R.6 - Prob. 42ECh. R.6 - Prob. 43ECh. R.6 - Prob. 44ECh. R.6 - Prob. 45ECh. R.6 - Prob. 46ECh. R.6 - Prob. 47ECh. R.6 - Prob. 48ECh. R.6 - Prob. 49ECh. R.6 - Prob. 50ECh. R.6 - Prob. 51ECh. R.6 - Prob. 52ECh. R.6 - Prob. 53ECh. R.6 - Factor each expression. 9(6x + 2)1/2 + 3(9x 1)(6x...Ch. R.6 - Prob. 55ECh. R.6 - Prob. 56ECh. R.7 - Simplify each expression by removing as many...Ch. R.7 - Prob. 2ECh. R.7 - Simplify each expression by removing as many...Ch. R.7 - Prob. 4ECh. R.7 - Prob. 5ECh. R.7 - Prob. 6ECh. R.7 - Prob. 7ECh. R.7 - Prob. 8ECh. R.7 - Prob. 9ECh. R.7 - Prob. 10ECh. R.7 - Prob. 11ECh. R.7 - Prob. 12ECh. R.7 - Prob. 13ECh. R.7 - Prob. 14ECh. R.7 - Prob. 15ECh. R.7 - Prob. 16ECh. R.7 - Prob. 17ECh. R.7 - Prob. 18ECh. R.7 - Prob. 19ECh. R.7 - Prob. 20ECh. R.7 - Simplify each expression by removing as many...Ch. R.7 - Prob. 22ECh. R.7 - Prob. 23ECh. R.7 - Prob. 24ECh. R.7 - Prob. 25ECh. R.7 - Prob. 26ECh. R.7 - Prob. 27ECh. R.7 - Prob. 28ECh. R.7 - Prob. 29ECh. R.7 - Rationalize each denominator. Assume that all...Ch. R.7 - Prob. 31ECh. R.7 - Prob. 32ECh. R.7 - Prob. 33ECh. R.7 - Rationalize each denominator. Assume that all...Ch. R.7 - Prob. 35ECh. R.7 - Prob. 36ECh. R.7 - Prob. 37ECh. R.7 - Prob. 38ECh. R.7 - Prob. 39ECh. R.7 - Prob. 40ECh. R.7 - Prob. 41ECh. R.7 - Rationalize each denominator. Assume that all...Ch. R.7 - Prob. 43ECh. R.7 - Prob. 44E
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