Vocabulary
Equations From Sentences
Input and Output
What Is The Pattern?
Random
100
Variable
A letter used to take the place of an unknown number value.
100
Beth walks 3 miles each day. If t represents the total miles walked and d represents the number of days, which variable is the dependent and which is the independent?
t= dependent; d= independent
100
X is the _______ (input/output)
Y is the_____ (input/output)
x=input
y=output
100
What is the pattern for the following function?
Input: 1 2 5
Output: 14 15 18
Add 13
100
What is the order of operations
(), Exp, Mul, D, A, S
200
Coordinate plane
A plane formed by the horizontal x-axis and the y-axis.
200
Jessie goes to the market once every three days. What would be the dependent variable and independent variable?
Dependent= number of trips
Independent= number of days
200
If the function is y = x - 2, complete the output given below.
Input: 5 8 9 10
Output: 3
6, 7, 8
200
What is the pattern for the following function?
Input: 2 4 5
Output: 8 16 20
Multiply by 4
200
List all the operations and their inverses (opposites)
+-
-+
x/
/x
300
Expression (Hint: we went over this in the 1st Quarter)
A mathematical sentence. Not all expressions are equations.
300
The total cost (c) is the cost of games, $5, times the number of games played plus the $3 entry fee. How should the equation for this situation be written?
c=5n+3
300
If the function is y = 6x, complete the output given below.
Input: 2 3 4 5
Output: 12
18, 24, 30
300
Given the chart above, how many words would Suzy know after 175 days?
1050 words
300
[5(7 - 4) - 12]/3
1
400
Independent Variable
A variable whose value determines the value of another quantity
400
Jordan pays a $4 shipping charge in addition to the price of a video game. How should the equation for this situation look? (Use C= cost p= price of 1 video game)
C=p+4
400
If the function is y = 40 - x, complete the output given below.
Input: 17 20 24 32
Output: 23
20, 16, 8
400
How much would you pay for 7.5 pounds?
$18.00
400
A sports team is hiring free agents to play throughout the year. They found 4 hires in March, 6 hires in April, 8 hires in May, and 10 hires in June. If the pattern continues how many hires will the team make in December?
22 hires
500
Dependent Variable
A variable whose value of determined by the value of another quantity
500
Kara's gym membership includes a $15 start up fee and then is $40 a month. What should the equation for this situation look like? (Use t = total and m=months)
t=40m+15
500
If the function is y = 4x - 1, complete the output given below.
Input: 2 3 4 5 11
Output: 7
11, 15, 19, 43
500
Input: 24 23 22
Output: 6 5.75 5.5
Division by 4
500
A student is saving to purchase a used car for $2000. They have noticed the following pattern for hours of work:
Input (hours of work): 5 8 18
Output (money earned): 50 80 180
If the student spends no money, how many hours will they have to work to earn the $2000?
200 hours