Which polynomial equations have -i as one of their roots? x3 + 5x2 - 20 = 0 x3 - x2 + x - 1 = 0 x3 + 3x2 + x + 3 = 0 x3 - 2x2 + x - 2 = 0 x3 - 6x2 - 16x + 96 = 0

Which is the focus of a parabola with equation y2=4x

Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent