5-5: Proportional & Nonproportional Relationships
y = 28x
On a road trip, a car can travel 28 miles for each gallon in the tank. Find the constant of proportionality to write an equation relating miles to gallons.
308 miles
On a road trip, a car can travel 28 miles for each gallon in the tank. How far can the car travel on 11 gallons?
392 miles
On a road trip, a car can travel 28 miles for each gallon in the tank. How far can the car travel on 14 gallons?
A.
Which table does NOT represent a proportional relationship?
y = 0.9x
The cost of downloading music is $0.90 per song. Find the constant of proportionality to write an equation relating cost to number of songs.
$11.70
The cost of downloading music is $0.90 per song. What is the cost for downloading 13 songs?
$4.50
The cost of downloading music is $0.90 per song. What is the cost for downloading 5 songs?
y = 0.55x
Use the constant of proportionality as the amount of money raised relates to the number of snacks sold, to write an equation.
y = 0.08x
Use the constant of proportionality as y relates to x to write an equation.
y = 0.5x
Use the constant of proportionality as y relates to x to write an equation.
y = 0.75x
Use the constant of proportionality as y relates to x to write an equation.
y = 2.5x
Use the constant of proportionality as y relates to x to write an equation.
y = 25x
Use the constant of proportionality as y relates to x to write an equation.
y = 3.5x
Use the constant of proportionality as y relates to x to write an equation.
y = 4x
Use the constant of proportionality as y relates to x to write an equation.
y = 5.5x
Use the constant of proportionality as y relates to x to write an equation.
y = 9x
Use the constant of proportionality as y relates to x to write an equation.
k = 9
What is the constant of proportionality (y/x) ?
k = 3.50 or 7/2
What is the constant of proportionality for c/p?
Not Proportional
What is the constant of proportionality for y/x?
k = 0.8 or 4/5
What is the constant of proportionality for y/x?
k = 1.2 or 6/5
What is the constant of proportionality for y/x?
k = 1.25 or 5/4
What is the constant of proportionality for y/x?
k = 1.5 or 3/2
What is the constant of proportionality for y/x?
k = 2
What is the constant of proportionality for y/x?
k = 2.5 or 5/2
What is the constant of proportionality for y/x?
k = 3
What is the constant of proportionality for y/x?
k = 4
What is the constant of proportionality for y/x?
k = 5
What is the constant of proportionality for y/x?
k = 7
What is the constant of proportionality for y/x?
k = 12
What is the constant of proportionality y/x?
k = 12.5 or 25/2
What is the constant of proportionality y/x?