+0  
 
0
3723
1
avatar+152 

Solve without using a calculator:

log2 (-4) = x

  a
-2
  b
1/2
  c
-1/2
  d
no answer

Best Answer 

 #1
avatar+33661 
+5

log2(-4) = x  means that 2x = -4.  However, with any real number x, 2x will never be negative, so d is the right response.

.

 Feb 10, 2015
 #1
avatar+33661 
+5
Best Answer

log2(-4) = x  means that 2x = -4.  However, with any real number x, 2x will never be negative, so d is the right response.

.

Alan Feb 10, 2015

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