Vocabulary
The name of the point on the coordinate plane in the direct center.
What is the origin?
When graphing we always start at the ________.
What is the origin?
If the constant is equal to
y/x
for any given pair, x and y, then we can write this formula.
What is
k = y/x
?
If Fred can cook 10 pizzas in 3 hours, he can make this amount of pizzas in 9 hours.
What is 30?
Fred can cook 10 pizzas in 3 hours. This is the equation to figure out the constant.
What is
10/3
?
A symbol (typically a letter) that serves as a placeholder for a number.
What is a variable?
The independent variable will always be found on the ____ - axis on a graph.
What is "x"?
The ________ is multiplied to the independent variable to find the dependent variable.
What is constant?
Janet can knit 14 baby booties in 2 hours. This is the unit rate of Janet's knitting.
What is 7? or What is
14/2
?
Aimee spent $20 and she got 1,800 Robux. This is the equation to solve for the independent variable using the constant and the variables x and y.
What is
The constant (or same) value that is multiplied to the x value to get the y value in a proportional relationship.
What is the Constant of Proportionality?
The unit rate is interchangeable with the ___________ because to find these you use the same formula and method.
What is constant?
The point (0, 0) indicates that when there is _______ amount of one quantity, there will also be ________ amount of the second quantity.
What is zero and zero?
Aimee spent $20 and she got 1,800 Robux. This is a sentence explaining the constant rate in which she got Robux per dollar.
What is "Aimee got 90 Robux per dollar"?
Fred can cook 10 pizzas in 3 hours. This is the equation to solve how many pizzas he can make in "x" hours.
What is
y = 10/3x
?
The value in a problem that depends on another value in the problem for its outcome.
What is the dependent variable?
In order for a graph to represent a proportional relationship, it has to have two characteristics: ___________________________ and ___________________________.
What is form a straight line and go through the origin?
The _________ distance will always be equal to the unit rate when moving one unit __________ on the axis.
What is vertical and horizontally?
Joe sold 14 video games for $7 total at Gamestop. This is the constant rate explained in the form of a sentence that relates to the scenario.
What is "Joe received $0.50 per game when he sold his games at Gamestop"?
Janet can knit 14 baby booties in 2 hours. This is the equation to figure out how many hours it will take her to make 56 booties.
What is
x = 56/k or x = 56/7
?
The variable that will always be found on the y-axis on a graph.
What is the dependent variable?
The points (0,0) and (__,__) are always represented on a graph of a proportional relationship.
What is (1,r) (where the "r" represents the unit rate or constant of the situation)?
The ________, r, in the point ( r) represents the amount of vertical increase for every horizontal increase of 1 unit on the graph.
What is unit rate?
Sally texted her friend 1488 times within 4 hours. This is a sentence explaining the constant rate in which she texted per hour.
What is "Sally texted her friend 372 times per hour"?
Sally texted her friend 1488 times within 4 hours.
This is the equation, with the solution (that is not using variables), in which we can use to explain how many times Sally texted per 30 minutes.
What is
186 = (372)(0.5)
?