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College Algebra
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INSTRUCTOR’S
TESTING MANUAL
DAVID ATWOOD
Rochester Community and Technical College
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COLLEGE ALGEBRA
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THIRTEENTH EDITION
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OI
Margaret L. Lial
NN
American River College
John Hornsby
CO
University of New Orleans
David I. Schneider
ED
University of Maryland
Callie J. Daniels
M
St. Charles Community College
,CONTENTS
CHAPTER TEST FORMS 1
ANSWERS TO CHAPTER TEST FORMS 191
DIAGNOSTIC PRETESTS AND ANSWERS 235
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EU
FINAL EXAMS AND ANSWERS 245
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, 1
CHAPTER R, FORM A NAME
COLLEGE ALGEBRA DATE
ì 54 16 ü
1. Let A = ïí-9.6, , 6π , 0, 13, 2.15, , 49 ïý .
ïîï 7 5 ïþï
List the elements of A that belong to the given set.
a. Natural numbers 1. a. ____________
b. Rational numbers b. ____________
c. Irrational numbers c. ____________
2. Evaluate the expression if x = -2 , y = -4 , and z = 1 : 2. ______________
2
2y - x
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2
( y - 3z )
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3. Identify the property illustrated. Let a, b, and c represent any
real numbers.
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