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Common Core Standard HSF-BF.B.5 Questions

(+) Understand the inverse relationship between exponents and logarithms and use this relationship to solve problems involving logarithms and exponents.

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Grade 11 Logarithms CCSS: HSF-BF.B.5
What is the solution of log5(4x+25)=3 ?
  1. -5.5
  2. 10
  3. 25
  4. 54.5
Grade 11 Logarithms CCSS: HSF-BF.B.5
Solve the logarithmic equation.

5log(x-2)=11
  1. x=160.5
  2. x=158.5
  3. x=2.2
  4. x=0.34
  5. x=2.34
Grade 11 Exponents CCSS: HSF-BF.B.5
Solve. 92y=66
Grade 11 Exponents CCSS: HSF-BF.B.5, HSF-LE.A.4
Solve exactly. e12x=7
  1. x=log(72)
  2. x=ln(72)
  3. x=2ln(7)
  4. x=12ln(7)
Grade 9 Logarithms CCSS: HSF-BF.B.5
4log4(x+2)
Grade 11 Exponents CCSS: HSF-BF.B.5, HSF-LE.A.4
Solve for x. e4x+2=1
  1. 1
  2. e
  3. -12
  4. 2
  5. none of these are correct
Grade 11 Exponents CCSS: HSF-BF.B.5, HSF-LE.A.4
Find the exact solution to 18⋅2x=10.
  1. x=ln(59)ln(2)
  2. x=ln(59)
  3. x=12log(59)
  4. x=118ln(10).
Grade 11 Logarithms CCSS: HSF-BF.B.5
Solve: log6(x2-6x)=log6(-8)
  1. -4, -2
  2. 4, 2
  3. 4
  4. No real solution
Grade 11 Exponents CCSS: HSF-BF.B.5
Solve. 47x=250
Grade 11 Exponents CCSS: HSF-BF.B.5, HSF-LE.A.4
What is the exact solution to 2x=10e?
  1. x=log2(10e)
  2. x=ln(10e)
  3. x=log(10e)
  4. x=12log(10e)
Grade 11 Logarithms CCSS: HSF-BF.B.5
Solve: log4(2y+2)-log4(y-2)=1
  1. -5
  2. 5, 1
  3. 5
  4. No solution
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