4th Quarter: Group Quiz #2

Is this table proportional or non-proportional?

• Yes

• No

What is the constant of proportionality of this table?

• y = 3/2 x

• y = 2/3 x

• y = 3 x

• y = 2 x

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Does this graph show a proportional relationship?

• Yes

• No

 

Which graph shows a proportional relationship?

• 
• 
• 
• 

What is 30% of 50?

• 16
• 16.3
• 17.4
• 15

20% of 300?

• 20
• 6
• 2
• 60

28 is 70% of what number?

• 35

• 40

• 50

• 55

Caroline took a math test and got 19 out of 25 questions correct.  What percent of the questions did she answer correctly?

• 76%
• 66%
• 24%
• 54%

There is a jar of jellybeans on Mr. Schidrich's desk. 40% of the jellybeans are red. If there are 55 jelly beans in the jar, how many are red??

• 20

• 22

• 24

• 25