NAME ______DATE ______PERIOD ______

CCA Week 18 Review

NAME ______DATE ______PERIOD ______

  1. Which of the following represent non-linear relationships? Circle all that apply.
  1. Describe the relationship shown in the graph below. If the trend shown in the graph continues, how many tickets will be sold after 11 hours?
  1. If Timothy continues to travel at the same rate as shown in the trend line, approximately how many miles will he travel after 5 hours? Round to the nearest whole number.
  1. If Shyla continues to jog at the same rate, how far will she walk in 3.5 hours?
  1. Describe the association represented by the graph below.

  1. Describe the association represented by the graph below.
  1. What does the mean absolute deviation of a set of data represent?

Test Scores for 5 Math Students
65 / 80 / 90 / 75 / 85
Bowling Scores for 5 People
120 / 180 / 118 / 215 / 167
  1. The table shows the test scores for five students in a math class. To the nearest tenth, find the mean absolute deviation for the data.
  1. The table shows the bowling scores for five people. To the nearest tenth, find the mean absolute deviation for the data.
  1. Referring to questions 8 and 9, which data set has the greatest variation?
  1. Joshua wants to borrow $4,000 for a new front porch and steps. How much total interest will Joshua pay on the two-year loan with a 5% interest rate? Use the online loan calculator below.

  1. Hannia’sfamily begins saving to pay for her college. The school she plans to attend costs $26,400 per year. Her family invests $3,000 into an account that earns 3.25% annual interest. They deposit an additional $875 each quarter. At the end of 5 years, will the value in the account be enough to pay for at least the first two years of college? Use the online periodic deposit calculator shown below.

PERIODIC DEPOSIT CALCULATOR
Beginning Balance: $ / 3,000
Additional Quarterly Deposit:$ / 875
Interest Rate: / 3.25 / % per year
Number of Years / 5
CALCULATE
Future Value: $ / 25,148.70
Interest Earned: $ / 2,148.70
  1. Ainsley has a list of the estimated costs for her first year at a two-year college. She earns a scholarship for room & board and books and supplies. What is the total estimated cost for Ainsley’s first year at the two-year college?
  1. Ruby needs $28,000 for her first year at a four-year university. A scholarship will pay for $15,500 of her school costs for the first year. If Ruby’s family has six years to save the remaining amount of tuition needed for her first year of college, how much money will her family need to save each month to reach her goal?
  1. James deposited $230 into an account that earns 3.5% simple interest. How much interest will James earn after 8 years?
  1. Using the information in question 15, determine the total amount James will have in his account at the end of 8 year.
  1. Isaac deposited $2,000 into an account that earns 2.5% interest, compounded annually. How much will Isaac have in his account after 10 years?
  1. Juliana deposited $1,500 into an account that earns 7% compound interest, compounded annually. How much interest will Juliana earn after 10 years?
  1. Ashlee’s parents opened a savings account for her when she was born. They deposited $2,250 in the account. It earns 6.5% interest compounded annually. How much money will be in Ashlee’s account at age 21?
  1. $7,500 is invested in an account that earns 5.5% simple interest for 4 years. How much more money would be in the account at the end of 4 years if the account earned 5.5% interest compounded annually?