Unit Test — Cumulative exam Answers

Tyrell has a bankruptcy on his credit report and therefore pays higher interest rates on his current loans. He calculates that the extra money he pays in additional interest each year, if invested at the rate of 2.5% for one year, could earn him simple interest totaling $300. How much does Tyrell pay in additional interest each month?

Chuck has a credit card balance of $4,750 with an APR of 17%. With his existing debt payment plan, Chuck will not be able to pay off the debt for another 20 months. To speed up the process, Chuck decides to take $2,000 from his savings and apply it to the balance. He plans to pay the remaining balance in 12 months. How much will Chuck save in finance charges (interest) by doing this?

Carl has a credit card with a balance of $5,260 and an APR of 21%. With the monthly payments he has been making, Carl would be able to pay off his credit card in 18 months. After receiving a promotional offer in the mail, Carl decides to transfer his balance to a new credit card with a 15% "introductory" APR for the first 12 months. After 12 months, the APR increases to 23%. How much will Carl save in finance charges (interest) if he pays off the credit card before the introductory APR expires?

Verona goes to a business that offers tax refund anticipation loans because she really wants to get her money right now and not wait. They calculate her refund to be $985 and charge her $130 in fees for the loan. If the term on her loan is 15 days, what is the annual percentage rate on her loan?

Marcia has two credit cards and would like to consolidate the two balances into one balance on the card with the lower interest rate. The table below shows the information about the two credit cards Marcia currently uses. Card ACard BAmount$1,389.47$1,065.32APR16%12%Monthly Payment$39.38$28.05After 4 years, approximately how much will Marcia have saved in interest by consolidating the two balances?

Which equation is an example of the commutative property of multiplication?

Which graph represents the function ?

Maggie’s bank has assigned her a temporary 3-digit PIN to use with her ATM card. Each digit is a number from 1 to 5, inclusive, and no digit can be used more than once in the PIN. Which multiplication problem can be used to determine the probability that the PIN she was assigned was 123?

Sydney’s teacher says she may have her report card percentage based on either the mean or the median and she can drop one test score if she chooses. 94%, 84%, 100%, 68%Which measure of center should Sydney choose so she can have the highest percentage possible?

Adita has two options for how to invest $1,000.Plan A: Put the $1,000 in an account that pays $100 per year.Plan B: Put the $1,000 in an account that pays 5 percent interest per year.Which statement is true?

For what values of a and m does f(x) have a horizontal asymptote at y = 2 and a vertical asymptote at x = 1?

Which function represents the following graph?

The table shows the results of a survey of 400 random people on whether they like liquid soap, bar soap, or both. Which is the marginal relative frequency for the people who do not like bar soap?

Which expression is equivalent to (4 + 6i)2?

What is the greatest possible integer value of x for which is an imaginary number?

Which point shows the location of 5 – 2i on the complex plane below?

A cube is numbered 1 through 6. If the cube is rolled twice, how many of the possible outcomes will have two even numbers?

A manager needs to order company shirts for each employee. She was quoted the following rates. If she orders 75 shirts and passes the cost along to the employees, what would each employee owe for the shirt if each pays the same amount? Round to the nearest cent. Price Quote for Company Work ShirtsNumber of shirts orderedCost per shirtFirst 19 shirts$10Next 30 shirts$8Each shirt over 49$5

What is the sum of 12 – 5i and –3 + 4i?