Question

What is the discriminant of the quadratic equation 2x + 5x2 = 1? –18 –16 22 24

Answer 1

Answer:

☜☆☞we know that Discriminant (D) =b²-4ac

hence given equation is 2x+5x²

here b=2,c=1(can be taken as)

a=5

therefore ☜☆☞ 2²-4 x 5 x 1

☜☆☞ 4-20

☜☆☞-16 is ur required answer

☜☆☞hope it helps you please mark me as brainliest ☜☆☞☝☝☝☝☝☝☝☝

Answer 2

d= b2 - 4ac
= (2)2-4.5.-1
= 4+20
= 24