Exponential & Logarithmic Equations Test

Solve for n:
2^-2n = 2⁶

• n = -1
• n = -7
• n = 5
• n = -3

Sovle for x:
5^{-3x - 1} = 25

• x = -1
• x = -4
• x = -3
• x = 1

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

• x = 5
• x = -5
• x = 1/5
• x = -1/5

4^3v = 1/4

• no solution
• 1
• -1/3
• -1

Solve $2^x=13$
Round your answer to the nearest hundredth

• 1.11

• 0.27

• 3.70

• 3.60

Tags

CCSS.HSF.LE.A.4

Solve: $\log_3\left(x-5\right)=2$  

• 25

• 5

• 130

• 14

Tags

CCSS.HSF.BF.B.5

Solve:
log x + log 8 = 2 

• 10
• 12.5
• 15
• 17.5

 $\ \log_5\left(3x+1\right)\ =\ 2$  Solve

• x = 8

• x = -8

• x =  $\pm8$  

• x =  $\frac{26}{3}$  

Solve:
_{log (4x − 5) = log (2x − 1)} 

• 0
• 1
• 2
• 3

Solve: $\log_9x+\log_9\left(x+2\right)=\log_935$  

• 5

• -7

• 5, -7

• -7, -13