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iheartfood Group Title

Solve the equation attached for x :)

  • 2 years ago
  • 2 years ago

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  1. iheartfood Group Title
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    • 2 years ago
  2. iheartfood Group Title
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    A. x = 8/5 B. x = -8/5 C. x = 0, 8/5 D. There are no solutions.

    • 2 years ago
  3. jim_thompson5910 Group Title
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    test each answer choice so plug in x = 8/5, what do you get?

    • 2 years ago
  4. iheartfood Group Title
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    how do i plug it in?? in format via calc?

    • 2 years ago
  5. jim_thompson5910 Group Title
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    replace x with 8/5

    • 2 years ago
  6. jim_thompson5910 Group Title
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    and use a calculator

    • 2 years ago
  7. iheartfood Group Title
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    okay so for x=8/5 i got .76339... is that right?

    • 2 years ago
  8. jim_thompson5910 Group Title
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    on the left side?

    • 2 years ago
  9. iheartfood Group Title
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    noo i did this.. log(3)8/5... idk i feel like thats wrong tho :(

    • 2 years ago
  10. iheartfood Group Title
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    thats wrong isn't it??!! :O

    • 2 years ago
  11. jim_thompson5910 Group Title
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    yeah it looks odd

    • 2 years ago
  12. iheartfood Group Title
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    okay so how should i put it in my calc?

    • 2 years ago
  13. jim_thompson5910 Group Title
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    log(5*8/5) + log( 8/5 - 1) for the left side

    • 2 years ago
  14. iheartfood Group Title
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    =6812412374 is that right?

    • 2 years ago
  15. jim_thompson5910 Group Title
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    whoa...way too big

    • 2 years ago
  16. jim_thompson5910 Group Title
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    oh you meant 0.6812412373 right?

    • 2 years ago
  17. iheartfood Group Title
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    yeah sorry my bad!!

    • 2 years ago
  18. iheartfood Group Title
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    weird i thought i pressed the "." lol

    • 2 years ago
  19. jim_thompson5910 Group Title
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    do the same for the right side

    • 2 years ago
  20. iheartfood Group Title
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    8/5log3 ?

    • 2 years ago
  21. jim_thompson5910 Group Title
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    log( 3 * 8/5 ) = ???

    • 2 years ago
  22. iheartfood Group Title
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    ohhh okay =same as above :)

    • 2 years ago
  23. jim_thompson5910 Group Title
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    so 8/5 is a solution is -8/5 a solution??

    • 2 years ago
  24. iheartfood Group Title
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    so my answer is automatically A. x=8/5 ??

    • 2 years ago
  25. jim_thompson5910 Group Title
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    no it might be 0 or -8/5

    • 2 years ago
  26. jim_thompson5910 Group Title
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    haven't ruled them out yet

    • 2 years ago
  27. iheartfood Group Title
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    idk lemme check :) left side umm it won't even let me enter it.. it says error..

    • 2 years ago
  28. jim_thompson5910 Group Title
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    that's because the domain of log(x) is x > 0 so x = 0 and x = -8/5 aren't even defined

    • 2 years ago
  29. iheartfood Group Title
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    kk so my answer is just x=8/5 then?? A. x=8/5 is my answer right?

    • 2 years ago
  30. jim_thompson5910 Group Title
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    exactly

    • 2 years ago
  31. iheartfood Group Title
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    awesome! :) Thanks!

    • 2 years ago
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