3. In the diagram below, points M (-3, 4) and N (9,-1) have been plotted. Draw a line segment between M and N. Draw a right triangle with vertical and horizontal legs on the grid using MN as the hypotenuse. Label the lengths of each leg. Find the length of MN

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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?

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