Question

rind the value of discriminant
2y^2 - 5y + 20=0​

Answer 1

Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog. Some air pollutants are poisonous.

Answer 2

Answer:

4y - 5y + 20=0

Step-by-step explanation:

y + 20 =0

y= -20