Quiz 10.5/10.6 Exponential and Log Equations

Solve

9^8-x = 27^x-3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

Solve

(1/8)^x = 2³

• x=−3

• x=3

• x=−1

• x=1

Solve

 $7^{\left(n+10\right)}=14$ 

• n= 1.3562

• n= -8.64379

• n= 11.3562

• n= -9.2626

Solve

log(x) + log(x+3) = 1

• 5

• -2

• -5

• 2

Solve

log₂(x+3)=4

• 16

• 13

• 3

• 10

Expand

ln(4xy)

• ln4+lnx+lny

• 4lnxy

• 4lnx+lny

• 4ln(x+y)

Expand

 $\ln\left(\frac{2x^2y}{z^4}\right)$  

• ln2+2lnx+lny+4lnz

• ln2+2lnx+lny-4lnz

• 2ln(2xy)-4lnz

• 2ln2x+lny-4lnz

Solve Round your solution to two decimal places.

ln2x - ln41 = 2

• x = 0.36

• x = 151.48

• x = 41

• None of these are solutions

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (ln)

• Common Logarithm (Log)

• Natural Log, base "e"

  LN_e

Which of the following is the value of x given;
7e^(3x-5) = 49

• x = 2.315
• x = 0.681
• x = 2.964
• No Solution