1.   Jaime found a rule for this dot sequence to be d = 3 + 2(n – 1), where n is used to represent the term number and d to represent the number of dots. Find an equivalent rule.
   
    A. d = 1 – 2n B. d = 3 – 2(n – 1)
    C. d = 3 – (2n + 1) D. d = 2n + 1
    Hint

  2.   One group of students created a table of inputs and outputs from the What's My Rule? game. Find the corresponding rule.
   
    A. y = x2 – 1 B. y = 1 + x · x
    C. y = 2x + 6 D. y =
    Hint

  3.   In a package of candy, there are 3 red candies for every yellow candy. Write a rule for the relationship between the two variables if r represents red candies and y represents yellow candies.
    A. r = 3y B. r = y + 3
    C. y = 3r D. y = r + 3
    Hint

  4.   At a hockey stadium, there are 15 seats in every row. Let s represent the number of seats and r represent the number of rows. Which rule correctly describes the situation?
    A. r = 15s B. s = r ÷ 15
    C. s = 15r D. s = 15 + r
    Hint

  5.   What is always the final answer to this Think of a Number trick.Think of a number.Add 6.Multiply by 5.Subtract 5 times the number you started with.
    A. 25 B. 30
    C. 20 D. the same number you started with
    Hint

  6.   What is always the final answer to this Think of a Number trick.Think of a number.Multiply by 2.Add 4 times the original number.Divide by 6.
    A. 10 B. the same number you started with
    C. 10 times the number you started with D. 1
    Hint



Glencoe
The McGraw-Hill Companies