SOLUTION: Without using a calculator, solve for x:
a) 8^x = 1/ sqrt( 2 )
b) 4^2x+1 = (1/2)^2-x
Algebra.Com
Question 701470: Without using a calculator, solve for x:
a) 8^x = 1/ sqrt( 2 )
b) 4^2x+1 = (1/2)^2-x
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Without using a calculator, solve for x:
a)
Write the square root as an exponent
CAn also be written
8 can be written as 2^3
therefore
3x =
x = *
x =
b)
we can rewrite this to
therefore
4x + 2 = x - 2
4x - x = -2 - 2
3x = -4
x =
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