Math 4 Unit 3 Review for test

Front

Expand: (x + 2)(x + 3)

Back

x^2 + 5x + 6

Front

Classify the model A=1200(.85)^6

Back

Decay

Front

Evaluate log_b(b)

Back

1

Front

Solve: 5^(1/2x + 4) = 125

Back

-2

Front

Evaluate log_3(27)

Back

3

Front

Define Exponential Growth.

Back

A process where the quantity increases at a rate proportional to its current value.

Front

Define Exponential Decay.

Back

A process where the quantity decreases at a rate proportional to its current value.

Front

What is the base of a logarithm?

Back

The number that is raised to a power to obtain a given value.

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(1000)?

Back

3