7th Grade Semester 1 Exam Review

Front

What is the unit cost per pizza if 15 pizzas cost $97.50?

Back

$6.50 per pizza

Front

Is the graph proportional or non-proportional if it does not pass through the origin?

Back

non proportional

Front

What is the constant of proportionality if the ratio is 6?

Back

k = 6

Front

How much juice does Simon have if he has 1/5 gallon of cranberry juice, 1/3 gallon of apple juice, and 7/10 gallon of grape juice?

Back

1 7/30 gallons

Front

Which best describes a graph that shows a constant ratio?

Back

proportional

Front

What is the formula to find the unit cost?

Back

Unit Cost = Total Cost / Number of Units

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if it can be represented by a straight line through the origin.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.

Front

What is the first step in solving a proportional relationship problem?

Back

Identify the two quantities and their relationship.

Front

What is the significance of the constant of proportionality in a graph?

Back

It represents the ratio of the dependent variable to the independent variable.