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ToniRogers23 Group Title

how can u rewrite these logarithmic equations an equivalent exponent equation or the other way around m=loga x is equivalent to am=x1. log3 5=y,2. loga 7=-2then solvelog2x=-3,logx9=1/2

  • one year ago
  • one year ago

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  1. ToniRogers23 Group Title
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    need help solving and rewriting

    • one year ago
  2. ToniRogers23 Group Title
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    can u go over with this with me and help rewrite and solve

    • one year ago
  3. ToniRogers23 Group Title
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    with attachment to help

    • one year ago
  4. TransendentialPI Group Title
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    Sorry for the delay, my paid gig had some one show up. You've seen: \[\log_{a} b=x \rightarrow a^{x}=b\]

    • one year ago
  5. ToniRogers23 Group Title
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    ok

    • one year ago
  6. TransendentialPI Group Title
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    \[\log_{3} 5=y\] What is the "base"?

    • one year ago
  7. ToniRogers23 Group Title
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    5

    • one year ago
  8. TransendentialPI Group Title
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    No. In exponential form \[3^y=5\] so the 3 is the base

    • one year ago
  9. TransendentialPI Group Title
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    \[base^{exponent}=answer\]

    • one year ago
  10. TransendentialPI Group Title
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    In log form \[\log_{base}answer =exponent \]

    • one year ago
  11. TransendentialPI Group Title
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    OK?

    • one year ago
  12. ToniRogers23 Group Title
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    ok

    • one year ago
  13. TransendentialPI Group Title
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    What is \[\log_{4} 16 = 2\] in exponential form?

    • one year ago
  14. ToniRogers23 Group Title
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    4y=16,

    • one year ago
  15. TransendentialPI Group Title
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    right, 4^2 = 16

    • one year ago
  16. TransendentialPI Group Title
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    If we had to write \[3^2=9\] in log form, we'd write \[\log_{3}9=2 \]

    • one year ago
  17. TransendentialPI Group Title
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    OK?

    • one year ago
  18. ToniRogers23 Group Title
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    ok

    • one year ago
  19. TransendentialPI Group Title
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    Your second problem is \[\log_{a}7=2 \] What is the base here?

    • one year ago
  20. ToniRogers23 Group Title
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    7y=-2

    • one year ago
  21. TransendentialPI Group Title
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    The base is a (it is that small sub scripted (a)

    • one year ago
  22. ToniRogers23 Group Title
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    ok

    • one year ago
  23. TransendentialPI Group Title
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    The exponent is on the right side of the equal sign

    • one year ago
  24. ToniRogers23 Group Title
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    -2

    • one year ago
  25. ToniRogers23 Group Title
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    a7

    • one year ago
  26. TransendentialPI Group Title
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    Right, so try writing the a, the 7 and the -2 in exponential form

    • one year ago
  27. ToniRogers23 Group Title
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    7a=-2

    • one year ago
  28. TransendentialPI Group Title
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    a is the base -2 is the exponent and the 7 is the "answer"

    • one year ago
  29. TransendentialPI Group Title
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    \[a^{-2}=7\]

    • one year ago
  30. ToniRogers23 Group Title
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    ok

    • one year ago
  31. ToniRogers23 Group Title
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    so it would bea-2=7

    • one year ago
  32. TransendentialPI Group Title
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    How about \[\log_{a} 30 = 5\] What is that in exponential form?

    • one year ago
  33. TransendentialPI Group Title
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    Base is ___ Exponent is ____ and the answer is _____

    • one year ago
  34. ToniRogers23 Group Title
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    a30=5

    • one year ago
  35. ToniRogers23 Group Title
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    30

    • one year ago
  36. ToniRogers23 Group Title
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    answer

    • one year ago
  37. TransendentialPI Group Title
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    right, 30 is the answer a is the base and 5 is the exponent

    • one year ago
  38. TransendentialPI Group Title
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    Try watching the first few minutes of this video http://patrickjmt.com/properties-of-logarithms-part-1/

    • one year ago
  39. TransendentialPI Group Title
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    How did the video help?

    • one year ago
  40. ToniRogers23 Group Title
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    ok

    • one year ago
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