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Business Mathematics with Calculus Daniel Ashlock and Andrew McEachern
 

Summary: Business Mathematics with Calculus
Daniel Ashlock and Andrew McEachern
c 2011 by Daniel Ashlock
2
Beware of the Math!
Contents
1 Fundamentals 5
1.1 Basic Algebra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1.1 Some Available Algebra Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1.2 Order of Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1.3 Fast Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1.4 Sliding for multiplication and division. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1.5 Arithmetic of Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Basic Arithmetic for Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Reciprocals of fractions, dividing fractions. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.2 Lines and Quadratic Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.2.1 Equations of Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Two points determine a line: which one? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Parallel and Right-Angle Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

  

Source: Ashlock, Dan - Department of Mathematics and Statistics, University of Guelph

 

Collections: Mathematics