Vocab and Definitions
What is rise/run or change in y/change in x?
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?
The ordered point that y = (4/7)x passes through.
a. (2, 4/7)
b. (3, 12/7)
c. (5, 9/7)
d. (2, 7/8)
What is a. (3, 12/7)?
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: (1,4) (2,5) (3,6) (4,7)
What is y = x + 3?
Elias and Elizabeth are buying jelly beans. In bulk, they cost $3 per pound. They use the rule is y = 3x, where x is the number of pounds and y is the ________________.
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?
The graph and tables for the following relationship:
On one website, you can download songs for $2 each.
What is (sketch a graph) and (tables)?
Teacher needs to approve graph.
The equation for the following ordered pairs is: (0,4) (1,5) (2,6) (3,7)
What is y = x + 4
The equation that 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 proportional relationships cross at this point
What is what is the origin?
The equation that shows the relationship between these coordinates: (2,1) (4,2) (6,3)
What is y = (1/2)x?
The first three coordinates on the linear equation, y = (4/5)x. (start when x = 0)
What is (0,0) (1, 4/5) (2, 1.6 or 8/5)?
The missing number in this table for the following ordered pairs is
(1,8)
(2,__)
(3,10)
(5,12)
What is 9?
Four square feet of carpet costs $6 while 6 square feet costs $9. This cost of one square foot is _____.
$1.50
This relationship has a y intercept other than 0.
What is an additive/nonproportional 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 relationship:
One 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.
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?