Unit 3 Test A Study Guide Test Review

A baker bakes 2/3 of a dozen cookies every 1/2  hour. What is the unit rate of dozens of cookies per hour?

• ​ 1 1/3 dozens per hour

• 1/3 dozen per hour

• 1 1/2 dozen per hour

• 2 dozen per hour

At a local ice cream shop, Emily bought 2 scoops of ice cream for $3.00. Sarah bought 4 scoops of ice cream for $6.00, and Jamal bought 6 scoops of ice cream for $9.00. What does the (0,0) represent?

• The shop gives 1 scoop of ice cream for free.

• The cost of 0 scoops of ice cream is $0.

• The cost of 1 scoop of ice cream is $0.

• The shop has no ice cream available.

At a local ice cream shop, Emily bought 2 scoops of ice cream for $3.00. Sarah bought 4 scoops of ice cream for $6.00, and Jamal bought 6 scoops of ice cream for $9.00. What does the (1, 1.50) represent?

• The cost for 2 scoops of ice cream is $1.50.

• Each person bought 1 scoop of ice cream for $1.50.

• The cost per scoop of ice cream is $1.50.

• The cost for 1 scoop of ice cream is $3.00.

The graph below illustrates the relationship between the number of students and the admission cost to attend a local school fundraiser.

• y = 6x

• y = 12x

• y =2x

• y = 24x

What is true about the slope shown on the line?

• The sloe of the graph is 2/3.

• The slope fo the graph is -2.

• The slope of the graph is -2/3.

• The slope fo the graph is 3/2.

At a bakery, ¾ pounds of chocolate chips cost $1.50. If you require 10 pounds of chocolate chips for cookies, using the unit rate, how much would it cost?

• $15

• $20

• $25

• $30

On a scale of a lighthouse, 1-inch equals 75 feet. The model is 8.5 inches wide. What is the actual width of the lighthouse?

• 525 feet

• 637.5 feet

• 700 feet

• 750 feet

Hint: Divide the y values by the x values to find the unit rate!

• y=2.44x

• y=2x

• y=4.88x

• y=1.22x

Hint: You must find the unit rate and then subtract the amount less!

• y = 13.50x

• 7. y=67.50x

• y = 12.75x

• y = 13x

What is the equation for this graph?

• y=49x

• y=98x

• y=196x

• y=2x