PreCalc Log Flashcard #6

Front

Evaluate: Log 1000

Back

3

Front

Evaluate: log_3 81

Back

4

Front

Evaluate: log_2 32

Back

5

Front

Desmos and Phone Calculators can only do which Log Base?

Back

Base 10 and LN

Front

Rewrite 3^4 = 81 in logarithmic form.

Back

log_3 81 = 4

Front

What is the definition of a logarithm?

Back

A logarithm is the exponent to which a base must be raised to produce a given number.

Front

What is the change of base formula for logarithms?

Back

log_b a = log_k a / log_k b for any base k.

Front

What is the value of log_10 100?

Back

2

Front

If log_b x = y, what is the equivalent exponential form?

Back

b^y = x

Front

What is the relationship between logarithms and exponents?

Back

Logarithms are the inverse operations of exponentiation.