121k views
4 votes
Find the discriminant and the number of real roots for this equation.
x2 + 2x + 7 = 0

User Rehumbus
by
8.5k points

1 Answer

0 votes

Answer:

Discriminant = -24

No real roots.

Explanation:

x^2 + 2x + 7 = 0

The discriminant = b^2 - 4ac

= 2^2 - 4*1*7

= -24

So there are no real roots.

User Deloki
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.