Equations Based on Graphs

Look at the graph, which ordered pair represents the unit rate?

• (0, 0)

• (1, 0.75)

• (4, 3)

• (8, 6)

Use the graph to determine how many pounds of chicken salad you can buy for $52.50.

• 5 lbs

• 6 lbs

• 7 lbs

• 8 lbs

• the independent variable is distance
• the independent variable is d=25 t
• the dependent variable is time
• the dependent variable is distance

The graph shows the number of points y, a player earns in a video game based on the number of diamonds the player collects, x. Which equation best represents the relationship between x and y?

• x = y + 75

• y = x + 75

• y = 75x

• x = 75y

The table below shows the relationship between x and y. What equation represents the same relationship?

• y = 4x

• y = x - 9

• y = ¹/4 x

• y = x + 9

Write the equation for the table...

• y=x-4

• y=x+8

• y=x-8

• y=x+4

Write the equation for the table...

• y=x+9

• y=x-1

• y=x-9

• y=x+1

Write the equation for the table...

• x=y+13

• y=x+13

• y=x-13

• x=y-13

Write an equation that represents the relationship between the variables in the table.

• d=10t

• t=10d

• t=10-d

• d=t+10

Write the equation for the table...

• x=12y

• y=12x