Answer:
Answer is 256
Step-by-step explanation:
[tex]discrimiant \: = {b}^{2} - 4ac \\ here \: a = 1 \: \: b = 2 \: c = - 63 \\ {b}^{2} - 4ac \: = {2}^{2} - 4(1)( - 63) \\ \: \: \: \: = 4 + 252 \\ = 256 \\ therefore \: value \: of \: discriminant \: is \: 256[/tex]
