Lesson Notes 5-2
Exploring Credit Card Use
A credit card purchase may cost more than it first appears, because of the interest
charged, the total payments, and the time to pay off the balance.
Credit
Lesson Notes 5-5
Buy, Rent, or Lease?
When deciding whether to rent, buy (with or without financing), or lease, each situation
is unique. A cost and benefit analysis should take everything into accoun
Lesson Notes 3-3
Mutually Exclusive Events
If, in an experiment, the events A and B have no common outcomes, we call events A
and B mutually exclusive. For example, if the experiment is rolling a die,
Lesson Notes 3-1
Probability and Odds
Probability is the likelihood that an event can occur. To find it, we use the formula:
Probability = Number of times that it can occur
Total number of outcomes
Ex
Lesson Notes 5-4
Solving Problems Involving Credit
Forms of credit include bank loans, lines of credit, credit cards, payday loans, and
dealership or in-store financing.
Many factors determine which c
Lesson Notes 6-1
Exploring the Graphs of Polynomial Functions
A polynomial function in one variable is a function that contains only the operations of
multiplication and addition, with real-number coe
Lesson Notes 5-1
Analyzing Loans
The large majority of commercial loans are compound interest loans, although simple
interest loans are also available. The cost of a loan is the interest charged over
Lesson Notes 4-1
Simple Interest
Algebraic Pre-Requisites
Using your calculator and algebra skills, determine the value of x in the following
equations.
a) 72 = (x)(0.08)(4)
(b)
x = (8500)(0.05)(80/36
Lesson Notes 4-2
Compound Interest Part I
Last lesson you learned how to calculate simple interest. If you dont use the interest
earned, but rather keep it invested, new interest will be paid on the o
Rearranging the last formula, we have CONDITIONAL PROBABILITY of Event B (or
Event A):
P(B A) =
P(AandB)
P(A B) =
P(A)
or
P(BandA)
P(B)
B
A
B
B
A
Example 1: Since
B
P(BandA)
P(A B) =
P(B)
a) If P(A an