17th Edition

ISBN: 9780998625713

Author: Lynn Marecek, MaryAnne Anthony-Smith

Publisher: OpenStax - Rice University

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.

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Textbook Question

Chapter 6.1, Problem 86E

Ariana thinks the sum 6 y 2 + 5 y 4 is 11 y 6 . What is wrong with her reasoning?

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Chapter 6.1, Problem 85E

Chapter 6.1, Problem 87E

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Assume {u1, U2, us} spans R³. Select the best statement. A. {U1, U2, us, u4} spans R³ unless u is the zero vector. B. {U1, U2, us, u4} always spans R³. C. {U1, U2, us, u4} spans R³ unless u is a scalar multiple of another vector in the set. D. We do not have sufficient information to determine if {u₁, u2, 43, 114} spans R³. OE. {U1, U2, 3, 4} never spans R³. F. none of the above

Assume {u1, U2, 13, 14} spans R³. Select the best statement. A. {U1, U2, u3} never spans R³ since it is a proper subset of a spanning set. B. {U1, U2, u3} spans R³ unless one of the vectors is the zero vector. C. {u1, U2, us} spans R³ unless one of the vectors is a scalar multiple of another vector in the set. D. {U1, U2, us} always spans R³. E. {U1, U2, u3} may, but does not have to, span R³. F. none of the above

Let H = span {u, v}. For each of the following sets of vectors determine whether H is a line or a plane. Select an Answer u = 3 1. -10 8-8 -2 ,v= 5 Select an Answer -2 u = 3 4 2. + 9 ,v= 6

Chapter 6 Solutions

Elementary Algebra

Ch. 6.1 - Determine whether each polynomial is a monomial,...Ch. 6.1 - Determine whether each polynomial is a monomial,...Ch. 6.1 - Find the degree of the following polynomials: (a)...Ch. 6.1 - Find the degree of the following polynomials: (a)...Ch. 6.1 - Add: 12q2+9q2 .Ch. 6.1 - Add: 15c2+8c2 .Ch. 6.1 - Subtract: 8m(5m) .Ch. 6.1 - Subtract: 15z3(5z3) .Ch. 6.1 - Add: 8y2+3z23y2 .Ch. 6.1 - Add: 3m2+n27m2 .

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