Question

Joan has some photos in her photo album. Eachweek she plans to add 12 photos. After 8 weeks,Joan has 120 photos. The equation y = 24 + 12xrepresents the equation. What does they-intercept mean in this context?

Answer 1

The y-intercept represents the initial value, which is the value that the dependent variable y takes when the independent variable x is equal to 0.

In the given context, the y-intercept would represent the amount of photos that Joan had at week 0.