(S) 5/15 7th Final Review!

1

A postage stamp measures 6 cm. by 4 cm.  An artist wants to enlarge the postage stamp to a poster size. If the scale is 1 cm : 5 inches, what will be the actual length and width of the poster?

Length of the poster: _______ 
Width of the poster: _______ 

1

Calculate the scale factor.

The scale factor is _______ . Enter your answer as a simplified ratio. 

Required

1

Compare Dean's and Karen's wages. 

Which person has the higher hourly rate and how much more do they earn per hour?_______

Required

1

The distance Train A travels is represented by d = 70t, where d is the distance in kilometers and t is the time in hours. The distance Train B travels at various times is shown in the table.

 What is the unit rate of each train? Which train is going faster?

Train A travels at a rate of _______ km per hour.
Train B travels at a rate of _______ km per hour.
Train _______ travels faster.

1

The triangles below are similar. Triangle ABC is the original, triangle WXY is the scaled copy. 

a. What is the scale factor of the triangles? _______ 
b. What is the value of x _______ ? 

1

Anna was raising money for a local charity by selling tickets to the theme park. Her mom donated $20. The graph below shows the number of tickets and the amount of money raised (y) after selling (x) amount of tickets. Answer the following questions about the graph below.


Is this graph proportional? (just type in yes or no) _______ 
What is the rate of change/slope? (just type in the number) _______ 
What does the rate of change/slope mean in context? _______ 
What is the y-intercept (b)? _______ 
What does the y-intercept (b) mean in context? _______ 
What is the equation? (y=mx+b) _______ 
What would be the cost of 12 tickets? _______ 

1

Write an equation showing the relationship of the following angles. Solve for x. 

What is the value of x? _______ 

1

Classify for the angle below then solve for the value of x.


What is the value of x? _______ 
What is the measure of angle A? _______ 

1

Select ALL representations that are proportional.

1

Write and solve an equation and solve for the measure of Angle ABD.


What is the value of x? _______  
What is the measure of angle ABD? _______ 

Required

1

What is the supplement of an angle measuring 54 degrees?

1

What is the cross section that is parallel to the base of a cylinder?

0

What is the perpendicular to the base cross section that will result for all prisms?

1

What is the perpendicular cross-section of the cube?

1

Select which figures would produce a square cross section.

1

Use 3.14 for pi and round to the nearest tenth. Enter number only.
What is the circumference of the circle? _______ 
What is the area? _______ 

1

The minute hand measures 6 inches. The rotation of the minute hand represents an hour of time. Use 3.14 for pi. Round to the nearest tenth. 

What is the distance traveled by the minute hand after a rotation of 4 hours?_______ 

1

Find the volume.

_______

1

Lucy made a batch of strawberry jam and is going to pour it into the jar below.  If she fills it all the way to the top, how much jam can the jar hold?  Use 3.14 for π.  Round to the nearest tenths place.

_______

1

Find the volume of the figure:

1

Find the surface area of the prism. Round to the nearest tenth if necessary.

1

A bag has 10 red marbles, 12 blue marbles, 8 white marbles, 6 green marbles, and 4 yellow marbles. What is the P(green or blue)?

1

What is the P(a number greater than 4) on a number cube?

Required

1

Willie spun a spinner thirty times and recorded his results. What is the experimental probability of spinning a 1?

Required

1

A six-sided die is rolled 1200 times. How many times would you expect to roll a 4?

1

The results are shown in the frequency table below.  Write your answers as a simplified fraction.

Find the theoretical probability of landing on either 5 or 6.  _______  

Find the experimental probability of landing on either 5 or 6.  _______

Required

1

A bag contains green, blue, and white marbles. The P(green) is 20%. The P(blue) is 0.50. 
What is the probability of a white marble? _______  
What likelihood phrase would you use to describe the probability of a white marble? _______ 

Required

1

Brookwood High School is considering adding co-ed soccer to the sports program for the fall season. In order to get an unbiased sample of interest in soccer, who should the school survey?

Choose TWO that apply

1

The box plots below show the battery life for the latest iPhone and Samsung phones.

What conclusions can be made from the information presented in the box plots?

1

Pre-test scores for Mrs. Yates’ 7th grade classes are below.
Use the means and the MAD to answer the following questions. Round the MEAN to a whole number. Round the MAD answers to the nearest tenth.

7A Mean:_______                              7A MAD: _______ 

7B Mean:_______                              7B MAD: _______ 

Which class has the higher test scores? _______ 
Which class was the least consistent? _______ 

Required

1

Select ALL representations that are proportional.

What is the supplement of an angle measuring 54 degrees?

What is the cross section that is parallel to the base of a cylinder?

What is the perpendicular to the base cross section that will result for all prisms?

What is the perpendicular cross-section of the cube?

Select which figures would produce a square cross section.

Find the volume of the figure:

Find the surface area of the prism. Round to the nearest tenth if necessary.

A bag has 10 red marbles, 12 blue marbles, 8 white marbles, 6 green marbles, and 4 yellow marbles. What is the P(green or blue)?

What is the P(a number greater than 4) on a number cube?

Willie spun a spinner thirty times and recorded his results. What is the experimental probability of spinning a 1?

A six-sided die is rolled 1200 times. How many times would you expect to roll a 4?

Brookwood High School is considering adding co-ed soccer to the sports program for the fall season. In order to get an unbiased sample of interest in soccer, who should the school survey?Choose TWO that apply

The box plots below show the battery life for the latest iPhone and Samsung phones.What conclusions can be made from the information presented in the box plots?

The table shows the number of contacts six people each have stored in their cell phone.What is the mean absolute deviation for this set of data?

Brookwood High School is considering adding co-ed soccer to the sports program for the fall season. In order to get an unbiased sample of interest in soccer, who should the school survey?

Choose TWO that apply

The box plots below show the battery life for the latest iPhone and Samsung phones.

What conclusions can be made from the information presented in the box plots?

The table shows the number of contacts six people each have stored in their cell phone.

What is the mean absolute deviation for this set of data?