Which of the following equations has roots x = 3 (multiplicity 3) and x = –i? A. f(x) = x3 – 3x2 + x - 3
B. f(x) = x5 + 9x4 + 28x3 + 36x2 + 27x + 27
C. f(x) = x - 9x4 + 28r3 – 36x2 + 27x – 27
D. f(x) = x3 + 3x2 + x + 3

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?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.