Name an angle supplementary to ∠DOE
a. ∠AOE or COD
b. ∠AOB
c. ∠AOC
d. ∠BOD or BOA

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()