Question

find discriminant of 4x^2 +12x +9= 0

Answer 1

Answer:

$In \: the \: equation \: 4 {x}^{2} + 12x + 9 = 0$

$a = 4, \: b = 12 \: and \: c = 9$

$discriminant = {b}^{2} - 4ac$

$= {12}^{2} - 4(4)(9)$

$= 144 - 144$

$= 0$

$Disciminant \: of \: 4 {x}^{2} + 12x + 9 \: is \: 0.$