VL Day 25 Common Logs Practice

The common logarithm has what base?

• 10
• 0
• e
• -e

Tags

CCSS.HSF.BF.B.5

Evaluate:   (Hint: plug and chug on the calculator)

  $\log\left(\frac{1}{100}\right)$  

• -2

•  $-\frac{1}{2}$  

• 0

• 4

• undefined

Evaluate:   (Hint: plug and chug on the calculator)

log 10,000  

•  $-\frac{3}{2}$  

•  $-\frac{1}{2}$  

• 0

• 4

• undefined

Evaluate: (Hint: Plug and chug on the calculator)

log(54)

• 2.275

• 1.56

• 1.732

• 0.94

I have to evaluate the expression  $\log_8\ 13.$  Which of the following would give me the result?

•  $\frac{\log13}{\log\ 8}$  

•  $\frac{\log8}{\log13}$  

•  $\log13-\log8$  

•  $\log8+\log13$  

Solve for x: Round answer to the nearest hundredth.

5^x = 33

• 0.15

• 6.6

• 2.17

• 3.76

Solve for x: Round your answer to the nearest hundredth:

3^x = 7

• 1.77

• 0.78

• 2.33

• 1.33

Solve for y:

7^y = 15

• 2.8970

• 1.3917

• 1.8956

• 5.2342

Solve for x. Round your answer to the nearest hundredth:

12 = 7^5x

• -3.29

• 0.34

• 1.71

• 0.26

Solve for x: Round your answer to the nearest hundredth:

11^6x = 38

• 0.25

• -2.55

• 0.58

• 4.5