Exponents/Logarithm

Select the equivalent equation to
log₆ 15 = x

• 6^x = 15
• 6¹⁵ = x
• x¹⁵ = 6
• 15⁶ = x

Solve for x:   log₃ x = -4

• 1/81
• 81
• -81
• -1/81

Solve:
6^x + 5 = 221

• x = 36
• x = 216
• x = 3
• x = 2

Solve:  
log₅ (x + 3) = 3

• x = 122
• x = 128
• x = 240
• x = 246

Solve for x.
3^x = 27

• 2
• 4
• 3
• 5

Write the expression as a single logarithm. Then simplify if possible.

log₅3 + log₅6 + log₅9

• log₅69

• log₅56

• log₅162

• log₅98

Solve for x.

4^2x = 8

• x = 3

• x = 4

• x = 3/4

• x = 4/3

 $\log_m2=c$  
Change to exponential form.

•  $m^c=2$  

•  $2^c=m$  

•  $c^m=2$  

•  $m^2=c$  

Solve for x:
2^{3x + 1} = 32

• 0
• -1
• 5/3
• 4/3

solve for n

7ⁿ⁺¹⁰- 8 = 6

• -7.37

• -8.64

• -7.36

• -8.85