thall5026
17.04.2020 •
Mathematics
Give the number of real solutions,
(-3) -1-1
There (select)
(select)
real solution(s).
is one
are two
are no
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Ответ:
No real solutions.
Step-by-step explanation:
Square both sides:
Evaluate the discriminant:
$\Delta =3^2-4 \times 1 \times 4$
$= 9-16=-7<0$
Since $\Delta $ is less than zero, there are no real solutions.
Ответ:
20 percent
Step-by-step explanation:
the percent change is 20