Independent & Dependent Variables

Scenario 1:

The number of apples (a) you can buy depends on what your budget (b) is.

Which one is the independent variable and which is the dependent variable?

Scenario 2:

Your total cost (c) depends on how many apples (a) you buy.

Which one is the independent variable and which is the dependent variable?

Marcos is bringing 36 cookies to his book club, but he's not sure how many people will be there. He wants to write an equation that shows how many cookies each person will get (c)  in terms of how many people are there (n).

Given the equation $$y=x-1$$ , which graph makes the equation true?

Which graph represents (x,y)-pairs that make the equation $$y=2x+1$$ true?

Which rule describes the relationship between the x- and y- coordinates on the following graph?

You are buying boxes of cookies at a bakery. Each box of cookies costs $4.

Which of the following statements are true?

Select 2 that apply