Constant Proportionality from Tables
Constant of Proportionality from Graphs
Constant of Proportionality from Words
Constant of Proportionality and Equations
COP requirements
100
Drew paints portraits. Find the constant of proportionality if it is a proportional relationship
Time (in hours) = x Number of portraits = y
1 5
2 10
3 15
4 20
5 portraits per hour
100
Find the constant of proportionality with correct units
k =46 miles per hour
100
Morgan bought 24 batteries packed in 6 equal packs. What is the unit rate per pack?
Morgan compró 24 baterías empaquetadas en 6 paquetes iguales. ¿Cuál es la tarifa unitaria por paquete?
4 batteries per pack
100
Find the constant of proportionality: y = 7x
k = 7
100
What is k mean in y=kx?
constant of proportionality
200
The table shows the amount earned by Harry for selling ice cream. Find k.
Cups Sold = x 3 5 7 9
Earnings ($) = y 12 20 28 36
CoP = 4
200
What is K with proper units?
k = 1.2 miles per hour
200
Julie brought 5 pounds of cans to a recycling place and was paid $2. Find the constant of proportionality (cost per pound)
Julie llevó 5 libras de latas a un lugar de reciclaje y le pagaron $2. Encuentre la constante de proporcionalidad (costo por libra)
$0.40/pound
200
Find the constant of proportionality:
C = 2/3 m
k = 2/3
200
when you are looking at a graph the line is proportional if it passes through
the origin
300
Fred wrote notes during an exam. Find the CoP (with correct units) if it is a proportional relationship.
Notes (pages) 8 9 10 11
Time (in hours) 18 19 20 21
It is not proportional, there is no CoP.
300
Find the constant of proportionality with correct units
5 gallons per min
300
To make juice, Michael combines 4 liters of water and 12 scoops of juice mix. What is the CoP (scoops per liter)?
3 scoops per liter
300
Daisy made bread. The equation B = 4f shows the number of breads basked based on the amount of flour used. Where B is the number of bread loaves made and f is the cups of flour used. Find the constant of proportionality.
Daisy hizo pan. La ecuación B = 4f muestra el número de panes horneados según la cantidad de harina utilizada. Donde B es el número de hogazas de pan hechas y f son las tazas de harina utilizadas. Encuentre la constante de proporcionalidad.
k = 4 loaves per cup
300
what is another word for constant of proportionality?
unit rate
400
A ferry transports bikes to an island. Write k (which is the CoP).
Number of bikes (x) 10 12 14
Number of trips (y) 5 6 7
k = 0.5
400
Find k with proper units.
k = 3 gallons per minute
400
Zachary's time machine needs 14 megawatts of electricity to travel back 7 years. What is the unit rate (megawatts per year)?
La máquina del tiempo de Zachary necesita 14 megavatios de electricidad para viajar 7 años atrás. ¿Cuál es la tarifa unitaria (megavatios por año)?
2 megawatts per year
400
The number of milk bottles sold can be determined by the equation P = 0.35n, where P is the number of bottles of milk and n is the number of boxes opened. Find the constant of proportionality with correct units.
El número de botellas de leche vendidas se puede determinar mediante la ecuación P = 0,35n, donde P es el número de botellas de leche y n es el número de cajas abiertas. Encuentra la constante de proporcionalidad con las unidades correctas.
k = 0.35 bottles per box
400
what are the two qualifications to tell if a line on a graph is proportional?
it passes through the origin and it is a straight line
500
Alice bought comics. Find the k (CoP with correct units) if the table shows a proportional relationship.
Number of comics 2 4 6
Price (dollars) 6 12 18
k = 3 dollars per comic
500
Find the constant of proportionality with correct units
60 miles per hour
500
An item that is 4 feet long is 48 inches long. What is the unit rate per foot?
Un artículo que mide 4 pies de largo mide 48 pulgadas de largo. ¿Cuál es la tasa unitaria por pie?
12 in per foot
500
In a laboratory, scientists performed chemical reactions. The amount of product formed by a reaction can be determined by P = 0.25r, where P is the product and r is the amount of reactants used. Find k with correct units.
En un laboratorio, los científicos realizaron reacciones químicas. La cantidad de producto formado por una reacción se puede determinar por P = 0.25r, donde P es el producto y r es la cantidad de reactivos utilizados. Encuentra k con las unidades correctas.
k = 0.25 product per reactant
500
what is the x and y value (x,y) for a point at the origin?
(0,0)