anonymous
  • anonymous
1/2 (8)^(2x) + 2 = 9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Solve for x.
anonymous
  • anonymous
4^2x=11
anonymous
  • anonymous
Now try logarithmic algebra

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anonymous
  • anonymous
2xln4 = ln 11
anonymous
  • anonymous
that doesn't work actually... I'm not sure you can multiply 8 by 1/2 to begin with, and I'm not sure how you got 11 on the other side of the equation. What I get is more like 8^2x = 14 and then you solve with logs
anonymous
  • anonymous
It is difficult to type math so I don't know what is meant by 1/2 8
anonymous
  • anonymous
The equation is written like 1/2 should by multiplied by 8. the class teacher tells us to multiply by 2 in this instance on both sides to get rid of the fraction. I just wasn't sure how to bring the exponent down.
anonymous
  • anonymous
That 11 should have been 7 .... 9-2
anonymous
  • anonymous
ok, that makes sense
anonymous
  • anonymous
You bring down the exponent by using logarithms, ln
anonymous
  • anonymous
ok, thanks so much everyone!!

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