Vocabulary
Evaluate logarithms
Log form in exponential equation
Exponential functions
Mixed
100

rewriting an expression as a product of its factors

factors

100

asking for an exponent.

log216

= 4

100

log99=1

91=9

100

For the exponential function y = 2x

what is the y-intercept?

(0,1)

100

An exponential function which decreases as x increases.

Exponential Decay

200

The graph of a quadratic function

Parabola


200

log41

=0

200

log2512=9 

29=512

200

The domain of f (x) = 7x is ..

A. all positive real numbers

B. All real numbers

C. all reals greater than one

B. All real numbers 

200

Write the exponential equation in logarithmic form.

35=243

log3243=5

300

A function where the base is constant and the exponent is a variable.


Exponential Function

300

93= 729

3= log9729

300

log82=1/3

81/3=2

300

Does this graph represent the function y = 3x+ 2 ? true or false.


true

300

A logarithm with a base of 10.

Common Logarithm

400

The exponent to which a specific base is raised to obtain a given value. (Inverse of an exponential function)

Logarithm

400

loga36=2

a=6

400

log41/16=-2

4-2=1/16

400

Which of the following tables displays an exponential function?

A

 B

400

Write the logarithmic form in exponential equation.

log12144=2

122=144

500

a common factor of the terms in the expression with the greater coefficient and the greatest exponent

greatest common factor of an expression

500

loga=-1/3

a=1/2

500

logb1=0

b0=1

500

The graph of f (x) = 2x intersects the y-axis.

True or False

true

500

A logarithm with a base of e

Natural Logarithm