Tables
Equations
Graphs
Using Proportional Equations
100
Every one cup of sugar uses _____ cups of flour?
What is 1.5 cups
100
Write the equation of the relationship of two quantities if you know the constant of proportionality is 5.
what is y=5x
100
Why is this graph not proportional?
What is it's not going through the origin
100
The relationship between the amount of money made (m) and hours worked (h) is m=9.5h. How much money would you make if you worked 7 hours?
$66.50
200
Write the equation if bales of hay is the Y variable and # of mules is the X variable?
What is y=(1/2)x
200
What equation represents the graph?
what is y=0.66x
200
What is the constant of proportionality?
What is 6
200
The amount of flour (f) and water (w) in a recipe is represented with the equation w=2.5f. How much water would you need if you used 4 cups of flour?
10 cups
300
Is the following ratio table proportional?
What is NO
300
To make lemonade, you need 8 lemons for 1 gallon of water. What is the equation that represents this relationship if water is the x value and lemon is the y variable?
y=8x
300
What does the constant of proportionality tell you in this graph?
What is every 1 minute 0.4 miles completed
300
A proportional relationship is represented by the equations y=3x. Would the point (5, 10) be in the table?
No - because 5*3=15.
400
Complete the proportional table by writing an equation and using it to solve for the missing number. You MUST SHOW YOUR EQUATION and WORK.
What is 171
400
If bales of hay vary directly with the number of mules, what is the equation of the table?
y=(1/2)x
400
What is the unit rate for line A and B?
Line A: 0.5
Line B: 1.25
400
The exchange rate of American dollars (d) for British pounds (p) can be represented by p=0.8d. How many dollars would I need for 8 British pounds?
$10
500
What is
4 liters
132 km
500
If water used varies directly with time, what is the equation of the relationship?
y=5x
500
What is the constant of Proportionality?
what is 1/6
500
To make lemonade, the equation that relates gallons of water (w) to cups of sugar (s) is s=2/3w. How much water is needed if you use 4 cups of sugar?
6 gallons of water