Math 7 1.4 - 1.6 Quiz Review (School)

Is this table proportional? Explain.

• yes; the constant of proportionality is 45

• yes; the constant of proportionality is 90

• yes; the constant of proportionality is 2/3

• no; the table is not proportional

Mark all of the graphs that represent a proportional relationship?

• 
• 
• 
• 

Solve the proportion:

 $\frac{6}{25}=\frac{d}{30}$  

• 11

• 180

• 1.44

• 7.2

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.3

Does the following table represent a proportional relationship? Explain.

• Yes; constant of proportionality is 3

• Yes; constant of proportionality is 6

• Yes; constant of proportionality is 1/4

• Non proportional

Which of the following situations represents a proportional relationship?

• A car wash costs $6 per car with the option of extra shine for $2

• A baker uses 2 1/2 cups of flour for every batch of cookies

• A delivery service charges $4 per package in addition to $0.20 per mile traveled

• Rory has 16 M&Ms in a bowl and earns 3 new M&Ms for every toy she picks up

A car can travel 55.5 miles on 3 gallons of gas. How far can the car travel with 14 gallons of gas?

• 259 miles

• 18.5 miles

• 777 miles

• 42 miles

Solve the proportion.

 $\frac{4}{m}=\frac{8}{15}$  

(a)  

Simplify the ratio completely.

 $\frac{\frac{5}{7}}{\frac{4}{9}}$  

•  $1\frac{3}{4}$  

•  $\frac{20}{63}$  

•  $\frac{45}{67}$  

•  $1\frac{17}{28}$  

Write the percent as a fraction in simplest form.

 $21\frac{5}{7}\%$  

•  $\frac{38}{175}$  

•  $21\frac{5}{7}$  

•  $\frac{125}{834}$  

•  $\frac{21}{35}$