Evaluating & Properties of Logs

4^-r = 4^-3r

• no solution
• infinitely many solutions
• 1
• 0

5^3x-6 =125

• x=6
• x=3
• x=10
• x=25

Solve: 9^8-x = 27^x-3

• 5
• -5
• 1/5
• -1/5

Solve: 8^x-1 = (1/4)^x

• 3/5
• 5/3
• -3/5
• -5/3

7^r=18

• 1.258
• 1.1245
• 1.4854
• 1.5849

Rewrite 3⁴ = 81 in logarithmic form.

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

Change to Exponential Form:
log₆36 = 2

• 2⁶=36
• 6²=36
• 36²=6
• 36⁶=2

Evaluate:
Log₂64

• 5
• 3
• 6
• 32

Evaluate:
  log₄1

• 0
• 1
• 4
• DNE

Evaluate: 
  log₃ 27

• 3
• 4
• 6
• 9