Lesson 3 and 4 Quiz-Proportional Relationships

A farm stand sells oranges in 3-pound bags. Each bag costs $3.75. What equations represents the cost, c, for p pounds of oranges?

• c = 1.25p

• p = 1.25c

• c = 3.75p

• p = 3.75c

Jessica edits the school yearbook. She says that the dimensions of
the student photo are proportional to the dimensions of the small
photo, medium photo, and large photo found throughout the yearbook.
Is she correct?

Student photo- 1 by 1 1/2

small photo- 2 by 2 1/2

medium photo- 4 by 5

large photo- 8 by 10

• Yes, the student photo is proportional to the other sized photos.

• No, the student photo is not proportional to the other sized photos.

Using the information from the double number line, how many hours would be needed to mow 5 lawns? Write your answer as a fraction or mixed number. Use the / for the fraction bar.

(a)  

Pablo mixes 3 units white paint and 1 unit black paint to make gray paint. Which equation would NOT be true to show the relationship between units of white paint, w, and units of black paint, b?

• w = 3b

• b = 3w

• b = 1/3w

Jada is making trail mix. For every 3 c of peanuts, she adds 2 c of raisins. If you graphed this relationship, would there be a proportional relationship?

• Yes

• No

Line a shows a proportional relationship.

• True

• False

Line b shows a proportional relationship.

• True

• False

A constant of proportionality between y and x for line a is 4/3.

• True

• False

Line a includes a point in which the ratio of the y-coordinates to the x-coordinates is 3 : 4.

• True

• False

    Bethany walks d miles in h hours. She uses the equation d = 3.75h to find her
distance after any number of hours. What is the constant of proportionality
between d and h?

• 2/7.5

• 1/3.75

• 3.75

• 7.5

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.2