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What is an irrational number between -10 and -9

 May 15, 2015

Best Answer 

 #1
avatar+23245 
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Non-reducible square roots (like √2 and √3) are irrational. 

If we can find a non-reducible square root between -9 and -10, we can use that for our answer (and there is an infinite number of them!).

√81 = 9

√100 = 10

So, √83 is an irrational number between 9 and 10

So, -√83 is an irrational number between -9 and -10.

 May 15, 2015
 #1
avatar+23245 
+5
Best Answer

Non-reducible square roots (like √2 and √3) are irrational. 

If we can find a non-reducible square root between -9 and -10, we can use that for our answer (and there is an infinite number of them!).

√81 = 9

√100 = 10

So, √83 is an irrational number between 9 and 10

So, -√83 is an irrational number between -9 and -10.

geno3141 May 15, 2015

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