Proportional Relationships

Proportional Relationships

JEOPARDYMysteryTrianglesComparingGraphing Unit Rate

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100 100

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500

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Unit Rate– 100 Points

Find the unit rate for the equation y=65x.

Unit Rate– 200 Points

If GMS is taking 6 buses to Centre College on Friday and there are 180 students in the eighth grade, how many students will fit on one bus?

Unit Rate– 300 Points

Find the unit rate if Jamie types 160 words in 4 minutes.

Unit Rate– 400 PointsUse the following graph to write an

equation to represent the relationship.

Unit Rate– 500 Points

Write an equation to represent the relationship. x y

2 344 686 1028 146

Graphing– 100 Points

Name the two requirements of a graph

that represents a proportional relationship

Graphing– 200 Points

Draw an example of a graph that is a

proportional relationship

Graphing– 300 Points

On your test tomorrow it is predicted that for every 2 people

that get an A on the test, 1 person will get a B. Draw a graph to represent this relationship.

Graphing– 400 PointsAt Sandy's Beauty Salon, a haircut costs $15.00 and a permanent costs $30.00. Which graph represents the amount of revenue the salon will earn in one day for x haircuts?

Graph 1 Graph 2

Graphing– 500 Points

A car is advertised as having a fuel efficiency of 30 miles per gallon when driving on a highway. Draw a graph that

represents this car’s fuel efficiency.

Comparing– 100 PointsThese graphs all represent fuel efficiency of three different cars. Which car has the best fuel efficiency?

A.

B. D.

C.

Comparing– 200 Points

Compare the following tables and state who has

the greater unit rate.x y

2 10

4 20

6 30

8 40

x y

1 6

3 18

5 30

7 42

A B

Comparing– 300 Points

The graph and equation below document the distance two people travel. Who is traveling faster?

Y=55xPerson A

Person B

Comparing– 400 PointsKristy earns $350 in two hours working as an accountant. The amount that Caitlyn earns is represented in the graph below. Who makes more money per hour? Why?

Comparing– 500 Points

Noelle's Burned Calories

Hours Calories

6 1,500

7 1,750

8 2,000

9 2,250

Noelle and Joy started dancing in an effort to lose weight. Noelle recorded the number of calories she burns in x hours in the table below. Joy recorded the number of calories she burns in x hours in the graph below. Who burns more calories per hour?

Triangles– 100 Points

Classify the triangle by sides and angles.

Triangles– 200 Points

What are the lengths of the horizontal sides of triangles JKL and RST

Triangles– 300 Points

Can a triangle be formed with the following side measurements:

12cm, 5cm, 8cm

Triangles– 400 Points

Classify the triangle by sides and angles.

45°, 90°, 45°

.

Triangles– 500 Points

Construct a triangle with thefollowing measurements:

60°, 2 inch, 30°

Mystery– 100 Points

What is 25% of 20?

Mystery– 200 Points

FREE POINTS! The last team that scored gets

200 extra points!

Mystery– 300 PointsCarla and Brandon are members of two different magazine programs where any magazine ordered is the same price, regardless of the magazine ordered. Carla pays $9.84 for 4 magazines, and she pays $22.14 for 9 magazines. The equation below represents the amount of money Brandon pays for x magazines.

y = $2.68x

Who pays more per magazine?

Mystery– 400 Points

As a real estate agent, Lauren earns 2.5% commission on her sales. Lauren’s goal is to earn $5,000 in commission this month. What is the dollar amount of sales that Lauren must have this month to earn $5,000 in commission?

Mystery– 500 PointsAllie made a scale drawing of a new miniature golf course in her town. The course is rectangular and has a perimeter of 40 meters. What are the length and width, in meters, of the pool? Show your work.

4cm

6 cm

FINAL JEOPARDY

Write down a number of points to wager as a team

You’re given sticks of length 7cm, 8cm, 9cm, 15cm and 16cm. If you use 3 sticks at a time, how many different triangles can you create?