Vocab and Definitions
The names of the 2 types of Relationships
What are additive and multiplicative?
Concert tickets cost $14 each. If you buy 5 or more tickets, the discounted cost is $11 for each ticket. The equation for buying 4 tickets.
What is y=14x?
An ordered point where Y = (4/7)X passes through.
What is (3, 12/7) (5, 20/7) (7, 4)?
The graph and the equation for the following coordinates:
(0,4) (2,6) (4,8)
What is y = 2 + x?
(Teacher needs to approve the graph)
A relationship among a set of ordered pairs in which each x-value is multiplied by the same factor to find each corresponding y-value
What is a multiplicative relationship?
A number multiplied by a variable in an algebraic expression
What is a coefficient?
The equation that shows the relationship between these coordinates: (1,5) (2,7) (3,9) (4,11)
What is y = 2x + 3?
Elias and Elizabeth are buying jelly beans. In bulk, they cost $3 per pound. The rule is 3x, where x is the number of pounds, can be used to find the total cost of x pounds of jelly beans.
The dependent quantity is ________________.
What is the total cost of pounds Elizabeth and Elias are buying?
The equation for the following situation:
Isaiah has 15 more songs downloaded on his MP3 than Dominic.
What is y = x + 15?
The relationship among set of ordered pairs in which the same value is added to each x-value to find the corresponding y-value
What is an additive relationship?
A number that does not vary
What is a constant?
An Internet business charges a flat rate of $6.50 for shipping. If x represents the total cost with shipping, the equation that shows the relationship between x and y
What is y = x + 6.5 ?
An ordered point where Y = (4/7)X passes through.
What is (3, 12/7) (5, 20/7) (7, 4)?
The equation for the following ordered pairs is:
(0,4)
(1,5)
(2,6)
(3,7)
What is y = x + 4
The the equation the describes the relationship between the following x and y values:
(0.5, 7.25) (1.5,8.25) (4.5, 11.25)
What is y = x + 6.75 ?
All the multiplicative relationships begin at this point
What is what is the origin?
Fill in the blanks for the state that best describes the data: (1,6) (2,7) (3,8) (4,9)
The dependent quantity is ____________ than the independent quantity.
What is 5 more?
The first three coordinates on the linear equation, y = (4/5)X
What is (0,0) (1, 4/5) (2, 1.6)?
The equation for the following ordered pairs is
(2,1)
(4,2)
(6,3)
(8,4)
What is y = (1/2)x ?
The coordinates below represent an additive relationship. I y = 2 1/6, then 2X is to the nearest hundredth.
x y
1/3 8/15
3/4 19/20
What is 1.08?
This relationship has a y intercept other than 0.
What is an additive relationship?
Amaya is a years old. Sophia's age, s, is 9 months older than Amaya. The equation that represents the relationship between the ages of Amaya and Sophia.
What is a = s + 0.75?
The graph and tables for the following relationships:
On one Web site, you can download songs for $2 each. Another website charges a fee of $10 more than the number of songs downloaded
What is (sketch a graph) and (tables)?
Teacher needs to approve graph, which will have 2 lines and 2 tables need to be provided by students
The graph y = 4.5 + x and y = x + 4 on the same grid.
What is (sketch of graph)? Teacher needs to approve
The complete the table below and the equation for the following situation:
A music store prices its guitars by charging $250 more than the cost to make them.
Coste to produce (x) Price (y)
$250 $500
$300 _______
$350 _______
$400 _______
What is y = x + 250 and $550, $600, $650?