Solving Logarithmic Eqns

Solve the following basic logarithmic equation $\log_5\left(x-12\right)=\log_5\left(4x\right)$  

• x = 6

• x = -3

• x = 3

• x = -4

Solve the following basic logarithmic equation $\log_3\left(4x+1\right)=4$  

• x = 20

• x = 20.5

• x = 3

• x = 2.75

Solve the following basic logarithmic equation $\ln\left(x-3\right)=5$  

• x = 145.41

• x = 151.41

• x = 50.3

• x = 53.3

Tags

CCSS.HSF.BF.B.5

What is the first step in solving the logarithm $3\cdot\ln\left(2x+1\right)-2=22$  

• Divide both sides of the equation by 3

• Add 2 to both sides of the equation

• Exponentiate both sides of the equation using a base of e

• Subtract 1 from both sides of the equation

Solve the logarithm $3\cdot\ln\left(2x+1\right)-2=22$  

• 2978.58

• 2979.58

• 1489.98

• 391.89

Solve the logarithm $\log_2\left(3x-2\right)=4$  

• 2

•  $\frac{10}{5}$  
  

• 6

• 16

Tags

CCSS.HSF.BF.B.5

Solve the logarithm $\log_3\left(9x+9\right)=4$  

• 9

• 8

• 1

•  $\frac{1}{3}$  
  

Tags

CCSS.HSF.BF.B.5

Solve the logarithm $2\cdot\ln\left(x+2\right)=12$  

• 401.4

• 405.4

• 162.75

• 81.38

Tags

CCSS.HSF.BF.B.5

 Identify the next step in solving the exponential equation: $\log_4\left(4x+20\right)=3$  

 $4^{\log_4\left(4x+20\right)}=4^3$ 

•  $4x+20=64$  

•  $4x+20=12$  

•  $4x+20=3$  

•  $4x+20=16$  

Solve the exponential equation: $\log_4\left(4x+20\right)=3$  

• 6

• 48

• 40

• 11