142k views
2 votes
3. The equation x^2 + n = 0 ________

has at least one real number solution when n > 0
a) always
b) sometimes
c) never

1 Answer

6 votes

in general:

if delta>0 the equation has 2 solutions

if delta=0 the equation has 1 solution

if delta<0 the equation doesn't have real solutions

here :

delta=-4n

if n>0=> delta<0 => c) never

User Adesurirey
by
8.5k points

No related questions found

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

9.4m questions

12.2m answers

Categories