Which of the following best defines the x-intercept and the y-intercept of a line?

For the equation $4x+2y=8$, if you choose $x=1$, what is the corresponding $y$ and which point do you plot?

A small bakery’s profit, P (in dollars), based on x cupcakes sold is modeled by the linear equation P = -2x + 120. Using intercepts, determine how many cupcakes must be sold for the profit to be zero.

Three points are plotted from an equation thought to be linear: (-2, 4), (0, 0), (3, -6). Determine whether these points are collinear.

Which of the following procedures correctly produces the equation of a line given intercepts (a, 0) and (0, b) where a and b are nonzero?