The roots of the equation x2 + 2x + 5 = 0 are (1) -3 and 1
(3) -1 + 2i and -1 -2i
(2) -1, only
(4) -1 + 4i and -1 – 4i

Anyone know? is appreciated! will mark brainliest if correct!

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.