Wednesday
April 23, 2014

Homework Help: Pre-Calculus

Posted by Caroline on Wednesday, May 1, 2013 at 12:59am.

Could someone check my answers?

25. 32^(2x-3)=2

Answer- x= 8/5

26. 9^(2x+1)=81

Answer- x= 1/2

27. 1/4=2^3x

Answer- x= -2/3

28. 1/27=3^2x

Answer- x= -3/2

29. 9^x=27

Answer- x= 3/2

30. 32^x=4

Answer- x= 2/5

31. 27^(x+1)=9

Answer- x= 1/2

32. 125^(x-2)=25

Answer- x= 7/2

33. 81^(x-1)=27^2x

Answer- x= -2

34. 4^(3x-7)=32^2x

I'm having problems with number 34.

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