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which of the following is a value of x that satifies logx16=2

 Nov 24, 2014

Best Answer 

 #2
avatar+23254 
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The log, to the base x, of 16 equals 2 can be written in exponential form as x² = 16.

Solving that, x can either equal 4 or -4; however, negative bases aren't used for logs, so the answer is just 4.

 Nov 24, 2014
 #1
avatar+130477 
+5

If we have

logx 16  = 2 

Then, x = 4

 

 Nov 24, 2014
 #2
avatar+23254 
+5
Best Answer

The log, to the base x, of 16 equals 2 can be written in exponential form as x² = 16.

Solving that, x can either equal 4 or -4; however, negative bases aren't used for logs, so the answer is just 4.

geno3141 Nov 24, 2014

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