1.

Find the discriminant of the following equation x square+ 2x+4=0

Answer»

ANSWER:

x {}^{2}  + 2x + 4 = 0

d = b {}^{2}  - 4ac

b = 2  \: and \: a = 1  \: c = 4

d = 2 {}^{2}  - 4 \times 1 \times 4

4 - 16

d =  - 12



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