End of Unit 2 Test Extra Credit: Proportional Relationships

Which graph is represents a proportional relationship?

• A

• B

• C

• D

Which table is not a proportional relationship?

• A

• B

• C

• D

Select all the true statements.

• 1 pizza costs $5

• 6 pizzas cost $30

• 10 pizzas cost $50

• 2 pizzas cost $12

• The point (8,48) is on the graph of the proportional relationship

Mrs. Ramiz was grading papers and completed 1 assignment in 3 minutes. Which of equations represents the amount of time (t) that it takes her to grade (a) assignments?

• t = 3a

• t = 1/3a

• t = a+ 3

• t = a - 3

The two lines represent the distance, over time, two students ran at the HSMS track tryouts. Which student is running faster?

• Red Student

• Green Student

What are the two ways to tell if a line is FASTER on a speed graph?

• It's a different color

• It's steeper

• It's straight

• It's closer to the y axis

Complete the table so that there is a proportional relationship between the number of tree and the number of apples. When there is 1 tree, there are ___ apples.

• 1

• 39

• 13

• 6

Complete the table so that there is a proportional relationship between the number of tree and the number of apples. When there are 6 trees, there are ___ apples.

• 78

• 39

• 13

• 6

Select the equation showing a proportional relationship.

• d = 21r + 2

• d = 21 + r

• d = 21r

• d = 21/r

In a proportional equation, there should only be ONE number that is __________________ the letter beside it.

• Added to

• Subtracted from

• Multiplied by

• Divided by