SOLUTION: x²+14 how many solutions does it have?
Algebra
->
Functions
-> SOLUTION: x²+14 how many solutions does it have?
Log On
Algebra: Functions, Domain, NOT graphing
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Functions
Question 473478
:
x²+14 how many solutions does it have?
Answer by
jim_thompson5910(35256)
(
Show Source
):
You can
put this solution on YOUR website!
From
we can see that
,
, and
Start with the discriminant formula.
Plug in
,
, and
Square
to get
Multiply
to get
Subtract
from
to get
So the discriminant is
Since the discriminant is less than zero, this means that there are two complex solutions.
In other words, there are no real solutions.