ôn tập

Rewrite log₂8 = 3 in exponential form/

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

Rewrite log_vn = a in exponential form.

• v^a = n
• n^a = v
• vⁿ = a
• aⁿ = v

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

Write in exponential form.
log₂32 = 5

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

Evaluate log₄1

• 1
• 0
• 4
• undefined

• 2

• 5

• 3

• No Solution

Solve the equation.

 

• -2

• 1/2

• -1/2

• 2

Use the change of base formula and your calculator to approximate the log.

• A
• B
• C
• D