In unit one I covered slope - intercept form of the linear equation. I picked a white water rafting trip to explore setting up linear equations. In a future assignment I would choose something that has a definite fixed cost. When choosing the white water rafting trip I assumed most companies would have a fixed cost for a guide but that was not the case. Although the fixed cost, which is the y - intercept, can be zero it would have been better to have more variety. I would still use the same media choices.