2000000205
Level:
B
Solve the following inequality.
\[
-100- x^{2} \leq 0
\]
\(x \in \mathbb{R}\)
\(x \in \mathbb{R}\setminus \{-10;10\}\)
\(x \in \emptyset \)
\(x \in (-10 ;10)\)
Quadratic equations and inequalities
2000000204
Level:
B
Solve the following inequality.
\[
(5-x)^{2}\leq 0
\]
\(x \in \{5\}\)
\(x \in \mathbb{R}\setminus \{5\}\)
\(x \in \emptyset \)
\(x \in (-\infty ;-5)\cup (5;\infty )\)
2000000203
Level:
B
Solve the following inequality.
\[
(x+1)^{2}>0
\]
\(x \in \mathbb{R}\setminus \{-1\}\)
\(x \in \mathbb{R}\setminus \{1\}\)
\(x \in (-1 ;1)\)
\(x \in (-\infty ;-1)\cup (1;\infty )\)
2000000202
Level:
B
Solve the following inequality.
\[
x^{2} + 9\leq 0
\]
\(x \in \emptyset \)
\(x \in \mathbb{R}\)
\(x \in (-3 ;3)\)
\(x \in (-\infty ;-3)\cup (3;\infty )\)
2000000201
Level:
B
Solve the following inequality.
\[
x^2+1>0
\]
\(x \in \mathbb{R}\)
\(x \in \emptyset \)
\(x \in (-1;1)\)
\(x \in (-\infty ;-1)\cup (1;\infty )\)