Patterns in Tables and Graphs

What is the function of the table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

• Becky's Shower

• Rachel's Shower

• They use the same amount of water

Look at the table below. Write an equation to match the pattern between m, minutes and bubbles blown, b.

• b = 12m

• b= m +12

• b = m ÷ 12

• none of these

Which equation best represents the table shown above?

• y=40x

• y=x+40

• x=40y

• x=y+40

Henry runs the roller coaster at the fair. He can put 6 people in each ride vehicle. The chart above explains this relationship. If there are 12 vehicles in all, how many people can ride the roller coaster at once?

• 30

• 72

• 50

• 55

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.

• After 94 weeks, they save $2.

• After 1 week, they save $47.

• After 2 weeks, they save $94.

Which equation matches the description if x is the number of minutes and y is the total cost.

• y = 1.20

• y= 1.20x

• x = 1.20

• x = 1.20y

Which equation matches the graph?

• y = 60x

• y = 40x

• y = 80x

• y = 20x

Write the equation.

• t=10d

• t=d-9

• t=10-d

• d=t+10

Which equation best represents the relationship between x and y?

• y=x+25

• x=y+25

• x=25y

• y=25x