Equations for Proportional Relationships

Ammonie used a table to record how far and how much time she rode her bicycle. What equation could she use to determine how many miles she would ride, m , if she traveled any number of hours, h?

• m = 15.5h

• h = 42m

• m = 14h

• h = 3.5m

Michelle bought the same fabric on 3 different occasions and recorded the data in the table below. What equation could be used to determine the total cost,C, of any amount of fabric, f?

• C = 1.05f

• C = 1.15f

• F = 1.05c

• F = 1.15c

Based on the graph what is the unit rate?

• 1 foot per minute

• 6 feet per minute

• 1 foot per 6 minutes

Write the equation for the table given.

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Match the correct equation to the graph

• y = 4x

• y = 8x

• y = 2x

• y = 12x

How many miles can be driven with three gallons of gas? (Enter number value only).

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 33x

• y = 0.003x

• x = 33y

• 33k

The constant of proportionality in the equation y = ½x is _______. 

• x

• y

• 1/2

• 2

Create an equation for this proportional relationship. 

• y = 10x

• y = 5x

• x = 5y

• x = 10y

Tags

CCSS.7.RP.A.2