9.8 Mixed Practice: : Logarithms

Write in exponential form.
log₂32 = 5

• 2^-5 = 32
• 2³² = 5
• 2⁵ = 32
• 32⁵ = 2

Write in logarithmic form.
2^-4 = ¹/₁₆

• log₂(¹/₁₆) = -4
• log_-4(¹/₁₆) = 2
• log _-4 2 = ¹/₁₆
• log₂(-4) = ¹/₁₆

Solve for x:
8^x+1= 3

• 0.528
• 0.893
• -0.472
• 1.893

ln(9x-2)=ln(x+14)

• x=2
• x=.156
• x=-3
• x=0

• x = 2.5

• x = 0.5

• x = 1.538

• x = 11.875

log₈(4x+4)=2

• 15

• 12

• 10

• 3

Find the asymptote for the following.

• x = -1
• x = 1
• y = 5
• y = -5

• 12

• 7

• 81

• 4

• 3

Solve:
lnx =7.25

• 1408.10
• 1330.42
• 1264.55
• 1182.32