LPM Q3 Review

• 15

• 14

• 13

• 12

• 11

• 10

• 9

• 8

What is a key characteristic of a proportional relationship in a graph?

• The graph is a straight line.

• The graph passes through the origin (0,0).

• The graph has a positive slope.

• The graph is a curve.

Which of the following graphs represents a proportional relationship?

• 
• 
• 
• 

Does the graph show a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2

A bakery sells 3 muffins for $3.75. What is the constant of proportionality of dollars per muffin?

• $0.25 per muffin

• $1.00 per muffin

• $1.25 per muffin

• $1.75 per muffin

• 8.33

• 8.5

• 8.75

• 9

If the constant of proportionality is 7, which of the following is the correct proportional equation?

• y=7k
• y=k7
• y=kx
• y=7x

Tags

CCSS.7.RP.A.2

During the year, Sallie read an average of 1.5 books per week. Formulate an equation to express the total number of books (y) she read over x weeks.

• y = 1.5x

• 52 = 1.5x

• x = 1.5y

• y = 52x

A gardener planted a batch of sunflowers, daisies, and marigolds in a garden. The ratio of sunflowers : daisies : marigolds is 5 : 3 : 4. There are 80 marigolds in the garden. What is the total number of flowers in the garden?

• 160 flowers

• 240 flowers

• 320 flowers

• 400 flowers