3 −- 7    -1 −- 4    9 −- -6   -2 −- -5    8 −- -8    4 −- 4

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section: Chapter Questions
Problem 2RQ
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Find the answer to the following subtraction problems by using vectors on the number line in conjunction with the missing addend approach.  Draw an arrow from the subtrahend to the minuend as shown in the examples on pages 28&29. Before drawing the missing addend representing the answer to the problem, label and mark your number line with at least 0 and one point on each side of zero.  Then, draw the vector that represents the answer to each problem and label the vector with that number. Then take a picture of your work and upload it.  

  1.  3 −- 7  
  2.  -1 −- 4  
  3.  9 −- -6 
  4.  -2 −- -5 
  5.   8 −- -8 
  6.   4 −- 4 
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