Two Variable Relationships

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

What is the function of the table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

Write an equation:

Katelyn has 4 boxes of cookies. Every day she goes to the store and buys 2 more. Let x represent amount of days and let y represent the number of boxes Katelyn has.

• y=4x-2

• y=2x+4

• y=4x+2

• y=2x-4

On a graph, which axis shows the dependent variable?

• x-axis

• y-axis

• neither

• it changes

In the table shown here, Mr. Fuete wrote the regualr price and the sale price of the rings he sells. Which equation represents the relationship between the regular price and the sale price of the rings Mr. Fuente sells?​ ​ (a)  

Tags

6.6.B

Melinda and Paul ran a marathon. Melinda runs at a constant speed of 5 miles per hour. Select from the drop to correctly complete the sentence. An equation that could represent the relationship between Paul's distance and his time is y = ​ (a)   ​ x

• 1

• 7

• 3

• 5

Name the INDEPENDENT variable from the table below.

• words

• minutes

Which equation can be used to graph (5,9) on its graph?

• y=2x

• y=3x-5

• y=2x-1

• y=x+3

Create an equation

A student is given 3 pencils at the beginning of the year and then given 2 at the beginning of the week. Let p=pencils and w=week.

• p=2w+3

• w=2p+3

• p=3w+2

• p=3w-2

On a graph, which axis shows the independent variable?

• x-axis

• y-axis

• neither

• it changes