U2L7-12 Review

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

Write the equation for a proportional relationship where the total cost (y) is $300 times the number of boxes (x).

Back

y = 300x

Front

If 4 boxes of goods cost $1200, how much does each box cost?

Back

Each box costs $300.

Front

What does the point (4, 1200) represent in a graph of a proportional relationship?

Back

It represents that selling 4 boxes of goods results in a total cost of $1200.

Front

How do you determine if a graph represents a proportional relationship?

Back

A graph represents a proportional relationship if it passes through the origin (0,0) and is a straight line.

Front

What is the constant of proportionality (COP) in a relationship where 6 apples weigh 0.72 kg?

Back

COP = 0.12 kg per apple.

Front

Complete the table: If 5 apples weigh 0.6 kg, what is the weight of 10 apples?

Back

1.2 kg.

Front

Which graph represents a proportional relationship?

Back

A graph that is a straight line passing through the origin.

Front

If car A travels 60 miles in 1 hour, what is its speed?

Back

60 miles per hour.

Front

If car B travels 90 miles in 1.5 hours, what is its speed?

Back

60 miles per hour.