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Alg2 lesson 10-2
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Alg2 lesson 10-2

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Alg2 lesson 10-2 Alg2 lesson 10-2 Presentation Transcript

  • Exponential form log formIf bx = a, then x = logb a b and x must be positive b cannot equal 1
  • Write in exponential form. base exponentWrite in exponential form.
  • Write each equation in exponential form.a.Answer:b.Answer:
  • exponent Write in logarithmic form. baseWrite in logarithmic form.
  • Write each equation in logarithmic form.a.Answer:b.Answer:
  • Evaluate
  • Evaluate log10 1000 = y 1000 = 10y 103 = 10y 3=y
  • Evaluate Evaluate log9 92 = y log5 53 = y 92 = 9y 53 = 5y 2=y 3=y log7 712 = 12
  • Evaluate =
  • Solve
  • Solve
  • Solve Check 3: Check 1: or