Solve by using the quadratic formula. -btvb2 - 4ac
2a
y=-2x? - 5x -4
5+4V2
4
Ob
Ос
no real roots
577
-4
Od
5 V-7
2

e) none of the above because the measure of angle cba is 101°

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)

i belive the biggest ratio would be 18: correct me if im wrong