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4 votes
X2 + 2x + 5 = 0
The discriminant

User Jotschi
by
7.1k points

1 Answer

1 vote

Answer:


\huge\boxed{16}

Explanation:

The discriminant of
y=ax^2+bx+c is equal
b^2-4ac.

We have the equation:


x^2+2x+5=0\to a=1,\ b=2,\ c=5

Substitute:


b^2-4ac=2^2-4(1)(5)=4-20=-16

User Swisscheese
by
6.5k points
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