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On a number line, let poin P represent the largest integer value that is greater than √201. Let point Q represent the largest integer value that is less than -√20. What is the distance between P and Q?

Guest Sep 23, 2017
 #1
avatar+87641 
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 I think that you meant to write " the smallest integer value that is greater than √201 "

 

 P =  ceiling (√201)  ≈ ceiling (14.177)  = 15

 

 Q  = floor ( - √20 )  =   floor ( -4.472 )  = -5

 

Distance between P and Q  =  P - Q  =   15 -  (-5)   =  20 units

 

 

cool cool cool

CPhill  Sep 23, 2017

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