Algebra Know-It-ALL

(c) |x| is two orders of magnitude larger than |p|.

(d) |x| is two orders of magnitude smaller than |p|.

(e) |x| is six times smaller than |p|.

41. Consider the following pair of equations as a two-by-two linear system:

2 x+ 7 y= 8

Final Exam 555

105 100,000

(^104) 10,000
103 1,000
102 100
10
1
10
100 1
1/10
1/100
1/1,000
1/10,000
1/100,000
10 –1
10 –2
10 –3
10 –4
10 –5
Continues forever!
Continues forever!
Continues forever!
Continues forever!

• 10 –4
  
  
  • 10 –5
  
  
  
  


• 10 –3


• 10 –2
  
  
  • 10 –1
    
    
    • 100
    
    
    
    
  
  
  
  

10

-^1

• 102


• 103


• 104


• 105


• 100


• 10


• 1/10


• 1/100


• 1/1,000


• 1/10,000


• 1/100,000


• 1


• 10,000


• 100,000

0

• 1,000

Negative rational numbers Positive rational numbers

X

P

Q

Figure FE-3 Illustration for Final Exam Questions 39 and 40.