Which equation is represented by the graph in slope intercept form? A. y=7/2x + 4

B. y= -1/2x - 4

C. y= 2x + 4

D. y=7/4x + 4

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?