Equations to Represent Relationships Between Two Quantities

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked

  is the unit rate

• $62.50 is earned for every hour worked

• $300 is earned after working 4 hours

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Which equation matches the graph?

• y = 60x

• y = 40x

• y = 80x

• y = 20x

The graph below shows the amount of milk in cups, y, needed to make the number of servings of pudding, x. Which equation best represents this relationship? (FILL IN TABLE)

• X = 1/4 Y

• Y = 1/4 X

• X = Y + 1/4

• Y = X + 1/4

Using the table above, determine the equation of the line.

• y = 5x

• y = 10x

• y = 1/5 x

• y = 1/10 x

Which equation matches the given graph?

• d=0.45p

• d = ²/_5p

• d = 4p

• k = ¼

Write an equation that represents this graph? 

• y = 18x

• y = 36x

• y = 54x

• y = 72x

Write an equation for this graph.

• r = 2 t

• r = 1/4 t

• r = 1/2 t

• r = 4 t

The graph below shows the amount of money Johnny saved for 12 months. Which equation would help determine Johnny’s balance,b, for a certain number of months, m?

• b = 7.14m

• b = 13.75m

• b = 15m

• b = 14m

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute