Math 4 Exam Review #2

Front

Write log_b(x/y) as two logs

Back

log_b(x) - log_b(y)

Front

What comes first in the order?

Back

Row

Front

This is an example of: f(x) = 0.25 (1.3)^x

Back

Exponential Growth

Front

If you deposit $3000 in a savings account that pays interest at an annual rate of 4%, how much will be in the account after 10 years?

Back

$4440.73

Front

What do m, n, p and q equal in this scalar matrix multiplication?

Back

m=15, n=-45, p=20, q=-5

Front

Define logarithm.

Back

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

Front

What is the formula for compound interest?

Back

A = P(1 + r/n)^(nt) where A is the amount, P is the principal, r is the rate, n is the number of times interest is compounded per year, and t is the time in years.

Front

What is the difference between linear growth and exponential growth?

Back

Linear growth increases by a constant amount, while exponential growth increases by a constant percentage.

Front

What is the base of a logarithm?

Back

The base of a logarithm is the number that is raised to a power to obtain a certain value.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - PEMDAS.